#0A304C#0A304C

#0A304C is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 29.9% C 0.066 H 245.3°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#0A304C
RGB	rgb(10, 48, 76)
HSL	hsl(205, 77%, 17%)
HSV	hsv(205, 87%, 30%)
CMYK	cmyk(86.8%, 36.8%, 0%, 70.2%)
CIE-LAB	lab(18.80, -1.58, -20.97)
CIE-LCH	lch(18.80, 21.03, 265.70°)
OKLab	oklab(29.88% -0.0274 -0.0596)
OKLCH	oklch(29.88% 0.066 245.3)
XYZ	xyz(2.4861, 2.6999, 7.2262)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A304C #4C260A

analogous

#0A4C47 #0A304C #0A0F4C

triadic

#0A304C #4C0A30 #304C0A

tetradic

#0A304C #470A4C #4C260A #0F4C0A

square

#0A304C #470A4C #4C260A #0F4C0A

split-complementary

#0A304C #4C0A0F #4C470A

monochromatic

#04111B #04111B #0A304C #115282 #1874B8

Accessibility & contrast

On white

13.64

#0A304C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#0A304C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A304C

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A304C	#FFFFFF	#000000	##FFFFFF
##0A304C	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23314D

Deuteranopia (green-blind)

#1A2B4B

Tritanopia (blue-blind)

#00373A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0a304c;
/* rgb */ color: rgb(10, 48, 76);
/* oklch */ color: oklch(29.9% 0.066 245.3);

Tailwind

colors: {
  custom: {
    50: '#55687e',
    500: '#0a304c',
    950: '#000000',
  },
}

SCSS

$custom: #0a304c;
$custom-light: #55687e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a304c",
  "rgb": {
    "r": 10,
    "g": 48,
    "b": 76
  },
  "hsl": {
    "h": 205.455,
    "s": 76.744,
    "l": 16.863
  },
  "oklch": {
    "l": 0.29884,
    "c": 0.06561,
    "h": 245.3
  },
  "luminance": 0.027
}

Semantic roles & 50–950 ramp

primary

#0A304C

secondary

#895229

accent

#8535F3

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#03060A

muted

#787A7C

Preview Lab

Preview with #0A304C

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

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