#0A423F#0A423F

#0A423F is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.4% C 0.055 H 189.4°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#0A423F
RGB	rgb(10, 66, 63)
HSL	hsl(177, 74%, 15%)
HSV	hsv(177, 85%, 26%)
CMYK	cmyk(84.8%, 0%, 4.5%, 74.1%)
CIE-LAB	lab(24.70, -17.94, -3.21)
CIE-LCH	lch(24.70, 18.23, 190.15°)
OKLab	oklab(34.42% -0.0541 -0.009)
OKLCH	oklch(34.42% 0.055 189.4)
XYZ	xyz(2.9702, 4.3195, 5.3789)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A423F #420A0D

analogous

#0A4223 #0A423F #0A2942

triadic

#0A423F #3F0A42 #423F0A

tetradic

#0A423F #230A42 #420A0D #29420A

square

#0A423F #230A42 #420A0D #29420A

split-complementary

#0A423F #420A29 #42230A

monochromatic

#041B19 #041B19 #0A423F #127772 #1AACA4

Accessibility & contrast

On white

11.27

#0A423F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#0A423F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A423F

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A423F	#FFFFFF	#000000	##FFFFFF
##0A423F	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3E3F

Deuteranopia (green-blind)

#36383F

Tritanopia (blue-blind)

#004441

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #0a423f;
/* rgb */ color: rgb(10, 66, 63);
/* oklch */ color: oklch(34.4% 0.055 189.4);

Tailwind

colors: {
  custom: {
    50: '#557674',
    500: '#0a423f',
    950: '#000000',
  },
}

SCSS

$custom: #0a423f;
$custom-light: #557674;
$custom-dark: #000000;

JSON

{
  "hex": "#0a423f",
  "rgb": {
    "r": 10,
    "g": 66,
    "b": 63
  },
  "hsl": {
    "h": 176.786,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.34423,
    "c": 0.05485,
    "h": 189.4
  },
  "luminance": 0.0432
}

Semantic roles & 50–950 ramp

primary

#0A423F

secondary

#7F292D

accent

#3741F0

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0A423F

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

Preview Lab → · Contrast checker → · Palette generator →