#0A2C4C#0A2C4C

#0A2C4C is a dark, moderate cyan. Relative luminance 0.024; OKLCH L 28.8% C 0.070 H 250.7°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#0A2C4C
RGB	rgb(10, 44, 76)
HSL	hsl(209, 77%, 17%)
HSV	hsv(209, 87%, 30%)
CMYK	cmyk(86.8%, 42.1%, 0%, 70.2%)
CIE-LAB	lab(17.40, 1.27, -23.19)
CIE-LCH	lch(17.40, 23.23, 273.14°)
OKLab	oklab(28.79% -0.0232 -0.0662)
OKLCH	oklch(28.79% 0.07 250.7)
XYZ	xyz(2.3299, 2.3874, 7.1741)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2C4C #4C2A0A

analogous

#0A4C4B #0A2C4C #0A0B4C

triadic

#0A2C4C #4C0A2C #2C4C0A

tetradic

#0A2C4C #4B0A4C #4C2A0A #0B4C0A

square

#0A2C4C #4B0A4C #4C2A0A #0B4C0A

split-complementary

#0A2C4C #4C0A0B #4C4B0A

monochromatic

#04101B #04101B #0A2C4C #114B82 #186BB8

Accessibility & contrast

On white

14.21

#0A2C4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#0A2C4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2C4C

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2C4C	#FFFFFF	#000000	##FFFFFF
##0A2C4C	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2E4D

Deuteranopia (green-blind)

#13284B

Tritanopia (blue-blind)

#003438

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0a2c4c;
/* rgb */ color: rgb(10, 44, 76);
/* oklch */ color: oklch(28.8% 0.070 250.7);

Tailwind

colors: {
  custom: {
    50: '#55647e',
    500: '#0a2c4c',
    950: '#000000',
  },
}

SCSS

$custom: #0a2c4c;
$custom-light: #55647e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2c4c",
  "rgb": {
    "r": 10,
    "g": 44,
    "b": 76
  },
  "hsl": {
    "h": 209.091,
    "s": 76.744,
    "l": 16.863
  },
  "oklch": {
    "l": 0.28785,
    "c": 0.07012,
    "h": 250.7
  },
  "luminance": 0.02388
}

Semantic roles & 50–950 ramp

primary

#0A2C4C

secondary

#895729

accent

#9135F3

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0A2C4C

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

Preview Lab → · Contrast checker → · Palette generator →