#0A2A4C#0A2A4C

#0A2A4C is a dark, moderate cyan. Relative luminance 0.022; OKLCH L 28.2% C 0.073 H 253.0°. Best body text is #FFFFFF at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#0A2A4C
RGB	rgb(10, 42, 76)
HSL	hsl(211, 77%, 17%)
HSV	hsv(211, 87%, 30%)
CMYK	cmyk(86.8%, 44.7%, 0%, 70.2%)
CIE-LAB	lab(16.71, 2.73, -24.29)
CIE-LCH	lch(16.71, 24.45, 276.41°)
OKLab	oklab(28.24% -0.0212 -0.0694)
OKLCH	oklch(28.24% 0.073 253)
XYZ	xyz(2.2572, 2.2420, 7.1499)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2A4C #4C2C0A

analogous

#0A4B4C #0A2A4C #0B0A4C

triadic

#0A2A4C #4C0A2A #2A4C0A

tetradic

#0A2A4C #4C0A4B #4C2C0A #0A4C0B

square

#0A2A4C #4C0A4B #4C2C0A #0A4C0B

split-complementary

#0A2A4C #4C0B0A #4B4C0A

monochromatic

#040F1B #040F1B #0A2A4C #114882 #1866B8

Accessibility & contrast

On white

14.50

#0A2A4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#0A2A4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2A4C

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2A4C	#FFFFFF	#000000	##FFFFFF
##0A2A4C	1.00	14.50	1.45	14.50
#FFFFFF	14.50	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2D4D

Deuteranopia (green-blind)

#0E274B

Tritanopia (blue-blind)

#003237

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #0a2a4c;
/* rgb */ color: rgb(10, 42, 76);
/* oklch */ color: oklch(28.2% 0.073 253.0);

Tailwind

colors: {
  custom: {
    50: '#55637e',
    500: '#0a2a4c',
    950: '#000000',
  },
}

SCSS

$custom: #0a2a4c;
$custom-light: #55637e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2a4c",
  "rgb": {
    "r": 10,
    "g": 42,
    "b": 76
  },
  "hsl": {
    "h": 210.909,
    "s": 76.744,
    "l": 16.863
  },
  "oklch": {
    "l": 0.28244,
    "c": 0.0726,
    "h": 253
  },
  "luminance": 0.02242
}

Semantic roles & 50–950 ramp

primary

#0A2A4C

secondary

#895A29

accent

#9735F3

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0A2A4C

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

Preview Lab → · Contrast checker → · Palette generator →