#0A2A37#0A2A37

#0A2A37 is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.9% C 0.044 H 228.8°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#0A2A37
RGB	rgb(10, 42, 55)
HSL	hsl(197, 69%, 13%)
HSV	hsv(197, 82%, 22%)
CMYK	cmyk(81.8%, 23.6%, 0%, 78.4%)
CIE-LAB	lab(15.47, -6.36, -11.74)
CIE-LCH	lch(15.47, 13.36, 241.55°)
OKLab	oklab(26.86% -0.0288 -0.0329)
OKLCH	oklch(26.86% 0.044 228.8)
XYZ	xyz(1.6425, 1.9961, 3.9124)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2A37 #37170A

analogous

#0A372D #0A2A37 #0A1437

triadic

#0A2A37 #370A2A #2A370A

tetradic

#0A2A37 #2D0A37 #37170A #14370A

square

#0A2A37 #2D0A37 #37170A #14370A

split-complementary

#0A2A37 #370A14 #372D0A

monochromatic

#05141A #05141A #0A2A37 #13526B #1D799F

Accessibility & contrast

On white

15.01

#0A2A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#0A2A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2A37

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2A37	#FFFFFF	#000000	##FFFFFF
##0A2A37	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232938

Deuteranopia (green-blind)

#1D2537

Tritanopia (blue-blind)

#002E2E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0a2a37;
/* rgb */ color: rgb(10, 42, 55);
/* oklch */ color: oklch(26.9% 0.044 228.8);

Tailwind

colors: {
  custom: {
    50: '#50636d',
    500: '#0a2a37',
    950: '#000000',
  },
}

SCSS

$custom: #0a2a37;
$custom-light: #50636d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2a37",
  "rgb": {
    "r": 10,
    "g": 42,
    "b": 55
  },
  "hsl": {
    "h": 197.333,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.26857,
    "c": 0.04375,
    "h": 228.8
  },
  "luminance": 0.01996
}

Semantic roles & 50–950 ramp

primary

#0A2A37

secondary

#743E28

accent

#6F3CEC

background

#F4F5F6

surface

#E7EAEB

border

#C3C6C6

text

#020507

muted

#78797A

Preview Lab

Preview with #0A2A37

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

Preview Lab → · Contrast checker → · Palette generator →