#135C63 Color
#135C63 is rgb(19, 92, 99) in RGB, hsl(185, 68%, 23%) in HSL, and about cmyk(81%, 7%, 0%, 61%) in CMYK. It has no registered color name of its own — the closest is Petrol (#005F6A), very hard to tell apart at ΔE 3.29. White text is the more readable choice on this background.
#135C63rgb(19, 92, 99)hsl(185, 68%, 23%)hsv(185, 81%, 39%)cmyk(81%, 7%, 0%, 61%)oklch(43.6% 0.068 204.7)lab(35.15% -20.26 -10.65)lch(35.15% 22.89 207.72)What #135C63 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 #135C63, 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 teal in the library.
#135C63 Channel Values
How #135C63 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 19 · G 92 · B 99 | 8-bit channels as sent to the display |
| HSL | H 185° · S 68% · L 23% | Easiest model for building lighter and darker variants |
| HSV | H 185° · S 81% · V 39% | Matches the picker in most design tools |
| CMYK | C 81% · M 7% · Y 0% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.67:1 vs white · 2.74:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #135C63 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 #135C63 in the contrast checker.
Colors That Go With #135C63
Pairings derived from color-wheel relationships. The complementary color sits opposite #135C63; 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 #135C63
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 #135C63.
How #135C63 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.
#135C63#555563#435863#4D4D64#3D5364#0E5D5D#105D5F#535353Using #135C63 in Code
Copy-ready declarations for the places this color usually ends up.
--color-135c63: #135C63;background-color: #135C63;colors: { 'color-135c63': '#135C63' }Color(red: 0.075, green: 0.361, blue: 0.388)<color name="color_135c63">#135C63</color>fill="#135C63"More Teal Colors
#135C63 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.
#135C63 Frequently Asked Questions
What color is #135C63?
#135C63 is a dark teal — rgb(19, 92, 99) in RGB and hsl(185, 68%, 23%) in HSL. It carries no registered color name of its own; the closest named color is Petrol (#005F6A), which is very hard to tell apart at a CIE76 distance of 3.29.
What is the RGB value of #135C63?
#135C63 is rgb(19, 92, 99) — red 19, green 92, and blue 99 on the 0-255 scale.
What is the CMYK value of #135C63?
#135C63 converts to approximately cmyk(81%, 7%, 0%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #135C63 be black or white?
White text is the more readable choice. #135C63 scores 7.67:1 against white and 2.74:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #135C63 as a CSS color keyword?
No. #135C63 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 darkslategray (#2F4F4F) at a CIE76 distance of 11.19, which is visibly different.
Open #135C63 in a Tool
Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.