#0A2D4C#0A2D4C

#0A2D4C is a dark, moderate cyan. Relative luminance 0.025; OKLCH L 29.1% C 0.069 H 249.4°. Best body text is #FFFFFF at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#0A2D4C
RGB	rgb(10, 45, 76)
HSL	hsl(208, 77%, 17%)
HSV	hsv(208, 87%, 30%)
CMYK	cmyk(86.8%, 40.8%, 0%, 70.2%)
CIE-LAB	lab(17.75, 0.55, -22.64)
CIE-LCH	lch(17.75, 22.64, 271.40°)
OKLab	oklab(29.06% -0.0243 -0.0645)
OKLCH	oklch(29.06% 0.069 249.4)
XYZ	xyz(2.3676, 2.4628, 7.1867)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2D4C #4C290A

analogous

#0A4C4A #0A2D4C #0A0C4C

triadic

#0A2D4C #4C0A2D #2D4C0A

tetradic

#0A2D4C #4A0A4C #4C290A #0C4C0A

square

#0A2D4C #4A0A4C #4C290A #0C4C0A

split-complementary

#0A2D4C #4C0A0C #4C4A0A

monochromatic

#04101B #04101B #0A2D4C #114D82 #186DB8

Accessibility & contrast

On white

14.07

#0A2D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#0A2D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2D4C

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2D4C	#FFFFFF	#000000	##FFFFFF
##0A2D4C	1.00	14.07	1.49	14.07
#FFFFFF	14.07	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2F4D

Deuteranopia (green-blind)

#14294B

Tritanopia (blue-blind)

#003438

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #0a2d4c;
/* rgb */ color: rgb(10, 45, 76);
/* oklch */ color: oklch(29.1% 0.069 249.4);

Tailwind

colors: {
  custom: {
    50: '#55657e',
    500: '#0a2d4c',
    950: '#000000',
  },
}

SCSS

$custom: #0a2d4c;
$custom-light: #55657e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2d4c",
  "rgb": {
    "r": 10,
    "g": 45,
    "b": 76
  },
  "hsl": {
    "h": 208.182,
    "s": 76.744,
    "l": 16.863
  },
  "oklch": {
    "l": 0.29058,
    "c": 0.06893,
    "h": 249.4
  },
  "luminance": 0.02463
}

Semantic roles & 50–950 ramp

primary

#0A2D4C

secondary

#895629

accent

#8E35F3

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03050A

muted

#787A7C

Preview Lab

Preview with #0A2D4C

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

Preview Lab → · Contrast checker → · Palette generator →