#0A181A#0A181A

#0A181A is a very dark, near-neutral teal. Relative luminance 0.008; OKLCH L 19.7% C 0.020 H 207.3°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#0A181A
RGB	rgb(10, 24, 26)
HSL	hsl(188, 44%, 7%)
HSV	hsv(188, 62%, 10%)
CMYK	cmyk(61.5%, 7.7%, 0%, 89.8%)
CIE-LAB	lab(7.16, -4.71, -3.26)
CIE-LCH	lch(7.16, 5.73, 214.74°)
OKLab	oklab(19.73% -0.0176 -0.0091)
OKLCH	oklch(19.73% 0.02 207.3)
XYZ	xyz(0.6382, 0.7923, 1.0964)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A181A #1A0C0A

analogous

#0A1A14 #0A181A #0A101A

triadic

#0A181A #1A0A18 #181A0A

tetradic

#0A181A #140A1A #1A0C0A #101A0A

square

#0A181A #140A1A #1A0C0A #101A0A

split-complementary

#0A181A #1A0A10 #1A140A

monochromatic

#091416 #091416 #0A181A #1B4146 #2C6A72

Accessibility & contrast

On white

18.13

#0A181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0A181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A181A

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A181A	#FFFFFF	#000000	##FFFFFF
##0A181A	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16171A

Deuteranopia (green-blind)

#13151A

Tritanopia (blue-blind)

#041919

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0a181a;
/* rgb */ color: rgb(10, 24, 26);
/* oklch */ color: oklch(19.7% 0.020 207.3);

Tailwind

colors: {
  custom: {
    50: '#4b5456',
    500: '#0a181a',
    950: '#000000',
  },
}

SCSS

$custom: #0a181a;
$custom-light: #4b5456;
$custom-dark: #000000;

JSON

{
  "hex": "#0a181a",
  "rgb": {
    "r": 10,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 187.5,
    "s": 44.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.19731,
    "c": 0.01986,
    "h": 207.3
  },
  "luminance": 0.00792
}

Semantic roles & 50–950 ramp

primary

#0A181A

secondary

#54312C

accent

#6454D4

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #0A181A

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

Preview Lab → · Contrast checker → · Palette generator →