#0A304A#0A304A

#0A304A is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.063 H 243.4°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#0A304A
RGB	rgb(10, 48, 74)
HSL	hsl(204, 76%, 16%)
HSV	hsv(204, 86%, 29%)
CMYK	cmyk(86.5%, 35.1%, 0%, 71%)
CIE-LAB	lab(18.68, -2.44, -19.81)
CIE-LCH	lch(18.68, 19.96, 262.97°)
OKLab	oklab(29.75% -0.0281 -0.0562)
OKLCH	oklch(29.75% 0.063 243.4)
XYZ	xyz(2.4177, 2.6726, 6.8657)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A304A #4A240A

analogous

#0A4A44 #0A304A #0A104A

triadic

#0A304A #4A0A30 #304A0A

tetradic

#0A304A #440A4A #4A240A #104A0A

square

#0A304A #440A4A #4A240A #104A0A

split-complementary

#0A304A #4A0A10 #4A440A

monochromatic

#04111B #04111B #0A304A #115380 #1976B6

Accessibility & contrast

On white

13.68

#0A304A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0A304A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A304A

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A304A	#FFFFFF	#000000	##FFFFFF
##0A304A	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24314B

Deuteranopia (green-blind)

#1B2B4A

Tritanopia (blue-blind)

#003639

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0a304a;
/* rgb */ color: rgb(10, 48, 74);
/* oklch */ color: oklch(29.8% 0.063 243.4);

Tailwind

colors: {
  custom: {
    50: '#55687c',
    500: '#0a304a',
    950: '#000000',
  },
}

SCSS

$custom: #0a304a;
$custom-light: #55687c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a304a",
  "rgb": {
    "r": 10,
    "g": 48,
    "b": 74
  },
  "hsl": {
    "h": 204.375,
    "s": 76.19,
    "l": 16.471
  },
  "oklch": {
    "l": 0.29752,
    "c": 0.06284,
    "h": 243.4
  },
  "luminance": 0.02673
}

Semantic roles & 50–950 ramp

primary

#0A304A

secondary

#874F29

accent

#8235F3

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0A304A

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

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