#0A423A#0A423A

#0A423A is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.2% C 0.057 H 180.7°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#0A423A
RGB	rgb(10, 66, 58)
HSL	hsl(171, 74%, 15%)
HSV	hsv(171, 85%, 26%)
CMYK	cmyk(84.8%, 0%, 12.1%, 74.1%)
CIE-LAB	lab(24.53, -19.61, -0.16)
CIE-LCH	lch(24.53, 19.61, 180.45°)
OKLab	oklab(34.23% -0.0569 -0.0007)
OKLCH	oklch(34.23% 0.057 180.7)
XYZ	xyz(2.8367, 4.2661, 4.6761)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A423A #420A12

analogous

#0A421E #0A423A #0A2E42

triadic

#0A423A #3A0A42 #423A0A

tetradic

#0A423A #1E0A42 #420A12 #2E420A

square

#0A423A #1E0A42 #420A12 #2E420A

split-complementary

#0A423A #420A2E #421E0A

monochromatic

#041B17 #041B17 #0A423A #127769 #1AAC97

Accessibility & contrast

On white

11.33

#0A423A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0A423A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A423A

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A423A	#FFFFFF	#000000	##FFFFFF
##0A423A	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3D3A

Deuteranopia (green-blind)

#37383B

Tritanopia (blue-blind)

#004340

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0a423a;
/* rgb */ color: rgb(10, 66, 58);
/* oklch */ color: oklch(34.2% 0.057 180.7);

Tailwind

colors: {
  custom: {
    50: '#547770',
    500: '#0a423a',
    950: '#000000',
  },
}

SCSS

$custom: #0a423a;
$custom-light: #547770;
$custom-dark: #000000;

JSON

{
  "hex": "#0a423a",
  "rgb": {
    "r": 10,
    "g": 66,
    "b": 58
  },
  "hsl": {
    "h": 171.429,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.3423,
    "c": 0.05686,
    "h": 180.7
  },
  "luminance": 0.04266
}

Semantic roles & 50–950 ramp

primary

#0A423A

secondary

#7F2935

accent

#3752F0

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0A423A

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

Preview Lab → · Contrast checker → · Palette generator →