#0A423C#0A423C

#0A423C is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.3% C 0.056 H 184.1°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#0A423C
RGB	rgb(10, 66, 60)
HSL	hsl(174, 74%, 15%)
HSV	hsv(174, 85%, 26%)
CMYK	cmyk(84.8%, 0%, 9.1%, 74.1%)
CIE-LAB	lab(24.60, -18.96, -1.38)
CIE-LCH	lch(24.60, 19.01, 184.16°)
OKLab	oklab(34.31% -0.0557 -0.004)
OKLCH	oklch(34.31% 0.056 184.1)
XYZ	xyz(2.8886, 4.2869, 4.9493)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A423C #420A10

analogous

#0A4220 #0A423C #0A2C42

triadic

#0A423C #3C0A42 #423C0A

tetradic

#0A423C #200A42 #420A10 #2C420A

square

#0A423C #200A42 #420A10 #2C420A

split-complementary

#0A423C #420A2C #42200A

monochromatic

#041B18 #041B18 #0A423C #12776C #1AAC9D

Accessibility & contrast

On white

11.31

#0A423C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#0A423C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A423C

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A423C	#FFFFFF	#000000	##FFFFFF
##0A423C	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3E3C

Deuteranopia (green-blind)

#37383D

Tritanopia (blue-blind)

#004440

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0a423c;
/* rgb */ color: rgb(10, 66, 60);
/* oklch */ color: oklch(34.3% 0.056 184.1);

Tailwind

colors: {
  custom: {
    50: '#557671',
    500: '#0a423c',
    950: '#000000',
  },
}

SCSS

$custom: #0a423c;
$custom-light: #557671;
$custom-dark: #000000;

JSON

{
  "hex": "#0a423c",
  "rgb": {
    "r": 10,
    "g": 66,
    "b": 60
  },
  "hsl": {
    "h": 173.571,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.34305,
    "c": 0.0559,
    "h": 184.1
  },
  "luminance": 0.04287
}

Semantic roles & 50–950 ramp

primary

#0A423C

secondary

#7F2932

accent

#374BF0

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0A423C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →