#0A2A39#0A2A39

#0A2A39 is a dark, muted cyan. Relative luminance 0.020; OKLCH L 27.0% C 0.046 H 232.6°. Best body text is #FFFFFF at 14.97:1 contrast (WCAG AA passes).

Color values

HEX	#0A2A39
RGB	rgb(10, 42, 57)
HSL	hsl(199, 70%, 13%)
HSV	hsv(199, 82%, 22%)
CMYK	cmyk(82.5%, 26.3%, 0%, 77.6%)
CIE-LAB	lab(15.57, -5.54, -12.98)
CIE-LCH	lch(15.57, 14.12, 246.91°)
OKLab	oklab(26.97% -0.0279 -0.0365)
OKLCH	oklch(26.97% 0.046 232.6)
XYZ	xyz(1.6914, 2.0157, 4.1700)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2A39 #39190A

analogous

#0A3930 #0A2A39 #0A1239

triadic

#0A2A39 #390A2A #2A390A

tetradic

#0A2A39 #300A39 #39190A #12390A

square

#0A2A39 #300A39 #39190A #12390A

split-complementary

#0A2A39 #390A12 #39300A

monochromatic

#05131A #05131A #0A2A39 #13506D #1C77A1

Accessibility & contrast

On white

14.97

#0A2A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#0A2A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2A39

14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2A39	#FFFFFF	#000000	##FFFFFF
##0A2A39	1.00	14.97	1.40	14.97
#FFFFFF	14.97	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23293A

Deuteranopia (green-blind)

#1C2539

Tritanopia (blue-blind)

#002E2F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0a2a39;
/* rgb */ color: rgb(10, 42, 57);
/* oklch */ color: oklch(27.0% 0.046 232.6);

Tailwind

colors: {
  custom: {
    50: '#51636f',
    500: '#0a2a39',
    950: '#000000',
  },
}

SCSS

$custom: #0a2a39;
$custom-light: #51636f;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2a39",
  "rgb": {
    "r": 10,
    "g": 42,
    "b": 57
  },
  "hsl": {
    "h": 199.149,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.26973,
    "c": 0.04593,
    "h": 232.6
  },
  "luminance": 0.02016
}

Semantic roles & 50–950 ramp

primary

#0A2A39

secondary

#764128

accent

#743BED

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0A2A39

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

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