#0A423D#0A423D

#0A423D is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.3% C 0.055 H 185.9°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#0A423D
RGB	rgb(10, 66, 61)
HSL	hsl(175, 74%, 15%)
HSV	hsv(175, 85%, 26%)
CMYK	cmyk(84.8%, 0%, 7.6%, 74.1%)
CIE-LAB	lab(24.63, -18.62, -1.99)
CIE-LCH	lch(24.63, 18.73, 186.10°)
OKLab	oklab(34.34% -0.0552 -0.0057)
OKLCH	oklch(34.34% 0.055 185.9)
XYZ	xyz(2.9153, 4.2975, 5.0898)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A423D #420A0F

analogous

#0A4221 #0A423D #0A2B42

triadic

#0A423D #3D0A42 #423D0A

tetradic

#0A423D #210A42 #420A0F #2B420A

square

#0A423D #210A42 #420A0F #2B420A

split-complementary

#0A423D #420A2B #42210A

monochromatic

#041B19 #041B19 #0A423D #12776E #1AAC9F

Accessibility & contrast

On white

11.29

#0A423D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#0A423D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A423D

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A423D	#FFFFFF	#000000	##FFFFFF
##0A423D	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3E3D

Deuteranopia (green-blind)

#36383E

Tritanopia (blue-blind)

#004440

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0a423d;
/* rgb */ color: rgb(10, 66, 61);
/* oklch */ color: oklch(34.3% 0.055 185.9);

Tailwind

colors: {
  custom: {
    50: '#557672',
    500: '#0a423d',
    950: '#000000',
  },
}

SCSS

$custom: #0a423d;
$custom-light: #557672;
$custom-dark: #000000;

JSON

{
  "hex": "#0a423d",
  "rgb": {
    "r": 10,
    "g": 66,
    "b": 61
  },
  "hsl": {
    "h": 174.643,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.34344,
    "c": 0.05549,
    "h": 185.9
  },
  "luminance": 0.04298
}

Semantic roles & 50–950 ramp

primary

#0A423D

secondary

#7F2930

accent

#3748F0

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #0A423D

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

Preview Lab → · Contrast checker → · Palette generator →