#0A2F4C#0A2F4C

#0A2F4C is a dark, moderate cyan. Relative luminance 0.026; OKLCH L 29.6% C 0.067 H 246.7°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#0A2F4C
RGB	rgb(10, 47, 76)
HSL	hsl(206, 77%, 17%)
HSV	hsv(206, 87%, 30%)
CMYK	cmyk(86.8%, 38.2%, 0%, 70.2%)
CIE-LAB	lab(18.45, -0.87, -21.53)
CIE-LCH	lch(18.45, 21.55, 267.68°)
OKLab	oklab(29.61% -0.0264 -0.0612)
OKLCH	oklch(29.61% 0.067 246.7)
XYZ	xyz(2.4457, 2.6191, 7.2127)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2F4C #4C270A

analogous

#0A4C48 #0A2F4C #0A0E4C

triadic

#0A2F4C #4C0A2F #2F4C0A

tetradic

#0A2F4C #480A4C #4C270A #0E4C0A

square

#0A2F4C #480A4C #4C270A #0E4C0A

split-complementary

#0A2F4C #4C0A0E #4C480A

monochromatic

#04111B #04111B #0A2F4C #115082 #1872B8

Accessibility & contrast

On white

13.78

#0A2F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0A2F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2F4C

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2F4C	#FFFFFF	#000000	##FFFFFF
##0A2F4C	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21304D

Deuteranopia (green-blind)

#182A4B

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0a2f4c;
/* rgb */ color: rgb(10, 47, 76);
/* oklch */ color: oklch(29.6% 0.067 246.7);

Tailwind

colors: {
  custom: {
    50: '#55677e',
    500: '#0a2f4c',
    950: '#000000',
  },
}

SCSS

$custom: #0a2f4c;
$custom-light: #55677e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2f4c",
  "rgb": {
    "r": 10,
    "g": 47,
    "b": 76
  },
  "hsl": {
    "h": 206.364,
    "s": 76.744,
    "l": 16.863
  },
  "oklch": {
    "l": 0.29608,
    "c": 0.06667,
    "h": 246.7
  },
  "luminance": 0.02619
}

Semantic roles & 50–950 ramp

primary

#0A2F4C

secondary

#895329

accent

#8835F3

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03060A

muted

#787A7C

Preview Lab

Preview with #0A2F4C

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

Preview Lab → · Contrast checker → · Palette generator →