#157FD5 Color
#157FD5 is rgb(21, 127, 213) in RGB, hsl(207, 82%, 46%) in HSL, and about cmyk(90%, 40%, 0%, 16%) in CMYK. It has no registered color name of its own — the closest is Bleu de France (#318CE7), clearly related but distinguishable side by side at ΔE 5.6. Black text is the more readable choice on this background.
#157FD5rgb(21, 127, 213)hsl(207, 82%, 46%)hsv(207, 90%, 84%)cmyk(90%, 40%, 0%, 16%)oklch(58.6% 0.158 249.9)lab(51.17% -3.66 -52.97)lch(51.17% 53.09 266.05)What #157FD5 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 #157FD5, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every blue in the library.
#157FD5 Channel Values
How #157FD5 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 21 · G 127 · B 213 | 8-bit channels as sent to the display |
| HSL | H 207° · S 82% · L 46% | Easiest model for building lighter and darker variants |
| HSV | H 207° · S 90% · V 84% | Matches the picker in most design tools |
| CMYK | C 90% · M 40% · Y 0% · K 16% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.18:1 vs white · 5.03:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #157FD5 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.
Need a specific ratio against another background? Open #157FD5 in the contrast checker.
Colors That Go With #157FD5
Pairings derived from color-wheel relationships. The complementary color sits opposite #157FD5; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #157FD5
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #157FD5.
How #157FD5 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.
#157FD5#7575D5#5D79D5#6A6AD6#5473D5#008E8E#0088AF#7C7C7CUsing #157FD5 in Code
Copy-ready declarations for the places this color usually ends up.
--color-157fd5: #157FD5;background-color: #157FD5;colors: { 'color-157fd5': '#157FD5' }Color(red: 0.082, green: 0.498, blue: 0.835)<color name="color_157fd5">#157FD5</color>fill="#157FD5"More Blue Colors
#157FD5 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#157FD5 Frequently Asked Questions
What color is #157FD5?
#157FD5 is a mid-tone blue — rgb(21, 127, 213) in RGB and hsl(207, 82%, 46%) in HSL. It carries no registered color name of its own; the closest named color is Bleu de France (#318CE7), which is clearly related but distinguishable side by side at a CIE76 distance of 5.6.
What is the RGB value of #157FD5?
#157FD5 is rgb(21, 127, 213) — red 21, green 127, and blue 213 on the 0-255 scale.
What is the CMYK value of #157FD5?
#157FD5 converts to approximately cmyk(90%, 40%, 0%, 16%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #157FD5 be black or white?
Black text is the more readable choice. #157FD5 scores 4.18:1 against white and 5.03:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #157FD5 as a CSS color keyword?
No. #157FD5 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 cornflowerblue (#6495ED) at a CIE76 distance of 12.41, which is visibly different.
Open #157FD5 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.