#0A4242#0A4242

#0A4242 is a dark, muted teal. Relative luminance 0.044; OKLCH L 34.5% C 0.054 H 194.9°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#0A4242
RGB	rgb(10, 66, 66)
HSL	hsl(180, 74%, 15%)
HSV	hsv(180, 85%, 26%)
CMYK	cmyk(84.8%, 0%, 0%, 74.1%)
CIE-LAB	lab(24.81, -16.90, -5.03)
CIE-LCH	lch(24.81, 17.64, 196.58°)
OKLab	oklab(34.55% -0.0525 -0.014)
OKLCH	oklch(34.55% 0.054 194.9)
XYZ	xyz(3.0563, 4.3539, 5.8325)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A4242 #420A0A

analogous

#0A4226 #0A4242 #0A2642

triadic

#0A4242 #420A42 #42420A

tetradic

#0A4242 #260A42 #420A0A #26420A

square

#0A4242 #260A42 #420A0A #26420A

split-complementary

#0A4242 #420A26 #42260A

monochromatic

#041B1B #041B1B #0A4242 #127777 #1AACAC

Accessibility & contrast

On white

11.23

#0A4242 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#0A4242 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A4242

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A4242	#FFFFFF	#000000	##FFFFFF
##0A4242	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3E42

Deuteranopia (green-blind)

#353842

Tritanopia (blue-blind)

#004442

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #0a4242;
/* rgb */ color: rgb(10, 66, 66);
/* oklch */ color: oklch(34.5% 0.054 194.9);

Tailwind

colors: {
  custom: {
    50: '#557676',
    500: '#0a4242',
    950: '#000000',
  },
}

SCSS

$custom: #0a4242;
$custom-light: #557676;
$custom-dark: #000000;

JSON

{
  "hex": "#0a4242",
  "rgb": {
    "r": 10,
    "g": 66,
    "b": 66
  },
  "hsl": {
    "h": 180,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.34547,
    "c": 0.05433,
    "h": 194.9
  },
  "luminance": 0.04354
}

Semantic roles & 50–950 ramp

primary

#0A4242

secondary

#7F2929

accent

#3737F0

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0A4242

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

Preview Lab → · Contrast checker → · Palette generator →