#E57B1F Color

#E57B1F is rgb(229, 123, 31) in RGB, hsl(28, 79%, 51%) in HSL, and about cmyk(0%, 46%, 86%, 10%) in CMYK. It has no registered color name of its own — the closest is Cadmium Orange (#ED872D), very hard to tell apart at ΔE 4.64. Black text is the more readable choice on this background.

#E57B1F

HEX#E57B1F

RGBrgb(229, 123, 31)

HSLhsl(28, 79%, 51%)

HSVhsv(28, 86%, 90%)

CMYKcmyk(0%, 46%, 86%, 10%)

OKLCHoklch(68.9% 0.161 54.7)

LABlab(63.11% 38.01 63.51)

LCHlch(63.11% 74.02 59.10)

What #E57B1F Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #E57B1F, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Cadmium Orange#ED872DΔE 4.64 Metallic Orange#DA680FΔE 7.2 Vivid Tangelo#F07427ΔE 7.95 Chocolate#D2691EΔE 8.89 Fulvous#E48400ΔE 9.07 Tangerine#F28500ΔE 10.41

Browse the full index of named colors A-Z or every orange in the library.

#E57B1F Channel Values

How #E57B1F breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 229 · G 123 · B 31	8-bit channels as sent to the display
HSL	H 28° · S 79% · L 51%	Easiest model for building lighter and darker variants
HSV	H 28° · S 86% · V 90%	Matches the picker in most design tools
CMYK	C 0% · M 46% · Y 86% · K 10%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	2.92:1 vs white · 7.18:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #E57B1F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text2.92:1AA normal AA large AAA normal

TextBlack text7.18:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #E57B1F in the contrast checker.

Colors That Go With #E57B1F

Pairings derived from color-wheel relationships. The complementary color sits opposite #E57B1F; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #E57B1F

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #E57B1F.

How #E57B1F Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#E57B1F

Protanopia#94941B

Protanomaly#BA8B1D

Deuteranopia#A8A800

Deuteranomaly#C3980D

Tritanopia#E87474

Tritanomaly#E7775D

Achromatopsia#979797

Test a full palette in the color blindness simulator.

Using #E57B1F in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-e57b1f: #E57B1F;

CSS backgroundbackground-color: #E57B1F;

Tailwind configcolors: { 'color-e57b1f': '#E57B1F' }

SwiftUIColor(red: 0.898, green: 0.482, blue: 0.122)

Android XML<color name="color_e57b1f">#E57B1F</color>

SVG fillfill="#E57B1F"

More Orange Colors

#E57B1F sits in the orange family. These are its neighbours across that family's full range, each with its own breakdown.

8b7d6b fff9f5 967969 fff9f0 987456 fff8f0 987654 fff8eb 9b7653 fff7ed 9c8b6e fff7eb c8ad7f dba875 e3dac9 eba675 f1ddcf f8dcd3 fcf5ee ff681f ff9933 ffb83d ffd68a ffe7d1

#E57B1F Frequently Asked Questions

What color is #E57B1F?

#E57B1F is a mid-tone orange — rgb(229, 123, 31) in RGB and hsl(28, 79%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Cadmium Orange (#ED872D), which is very hard to tell apart at a CIE76 distance of 4.64.

What is the RGB value of #E57B1F?

#E57B1F is rgb(229, 123, 31) — red 229, green 123, and blue 31 on the 0-255 scale.

What is the CMYK value of #E57B1F?

#E57B1F converts to approximately cmyk(0%, 46%, 86%, 10%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #E57B1F be black or white?

Black text is the more readable choice. #E57B1F scores 2.92:1 against white and 7.18:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #E57B1F as a CSS color keyword?

No. #E57B1F is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is chocolate (#D2691E) at a CIE76 distance of 8.89, which is clearly related but distinguishable side by side.

Open #E57B1F in a Tool

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Keep exploring: every orange in the color library, the guide to shades of orange, or the full color library.