#0A282E#0A282E

#0A282E is a dark, muted cyan. Relative luminance 0.018; OKLCH L 25.8% C 0.037 H 213.2°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#0A282E
RGB	rgb(10, 40, 46)
HSL	hsl(190, 64%, 11%)
HSV	hsv(190, 78%, 18%)
CMYK	cmyk(78.3%, 13%, 0%, 82%)
CIE-LAB	lab(14.28, -8.64, -7.21)
CIE-LCH	lch(14.28, 11.25, 219.82°)
OKLab	oklab(25.77% -0.0306 -0.02)
OKLCH	oklch(25.77% 0.037 213.2)
XYZ	xyz(1.3769, 1.7792, 2.8551)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A282E #2E100A

analogous

#0A2E22 #0A282E #0A162E

triadic

#0A282E #2E0A28 #282E0A

tetradic

#0A282E #220A2E #2E100A #162E0A

square

#0A282E #220A2E #2E100A #162E0A

split-complementary

#0A282E #2E0A16 #2E220A

monochromatic

#051619 #051619 #0A282E #155460 #207F93

Accessibility & contrast

On white

15.49

#0A282E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#0A282E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A282E

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A282E	#FFFFFF	#000000	##FFFFFF
##0A282E	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23262E

Deuteranopia (green-blind)

#1E232E

Tritanopia (blue-blind)

#002A2A

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0a282e;
/* rgb */ color: rgb(10, 40, 46);
/* oklch */ color: oklch(25.8% 0.037 213.2);

Tailwind

colors: {
  custom: {
    50: '#4e6266',
    500: '#0a282e',
    950: '#000000',
  },
}

SCSS

$custom: #0a282e;
$custom-light: #4e6266;
$custom-dark: #000000;

JSON

{
  "hex": "#0a282e",
  "rgb": {
    "r": 10,
    "g": 40,
    "b": 46
  },
  "hsl": {
    "h": 190,
    "s": 64.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.25767,
    "c": 0.03656,
    "h": 213.2
  },
  "luminance": 0.01779
}

Semantic roles & 50–950 ramp

primary

#0A282E

secondary

#6B3429

accent

#5C41E7

background

#F4F5F6

surface

#E7EAEB

border

#C3C6C6

text

#020506

muted

#78797A

Preview Lab

Preview with #0A282E

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

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