#0A3047#0A3047

#0A3047 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.6% C 0.059 H 240.2°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#0A3047
RGB	rgb(10, 48, 71)
HSL	hsl(203, 75%, 16%)
HSV	hsv(203, 86%, 28%)
CMYK	cmyk(85.9%, 32.4%, 0%, 72.2%)
CIE-LAB	lab(18.51, -3.73, -18.04)
CIE-LCH	lch(18.51, 18.42, 258.31°)
OKLab	oklab(29.56% -0.0292 -0.051)
OKLCH	oklch(29.56% 0.059 240.2)
XYZ	xyz(2.3190, 2.6331, 6.3460)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3047 #47210A

analogous

#0A473F #0A3047 #0A1147

triadic

#0A3047 #470A30 #30470A

tetradic

#0A3047 #3F0A47 #47210A #11470A

square

#0A3047 #3F0A47 #47210A #11470A

split-complementary

#0A3047 #470A11 #473F0A

monochromatic

#04121B #04121B #0A3047 #12547D #1979B2

Accessibility & contrast

On white

13.76

#0A3047 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0A3047 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3047

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3047	#FFFFFF	#000000	##FFFFFF
##0A3047	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253048

Deuteranopia (green-blind)

#1D2B47

Tritanopia (blue-blind)

#003638

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0a3047;
/* rgb */ color: rgb(10, 48, 71);
/* oklch */ color: oklch(29.6% 0.059 240.2);

Tailwind

colors: {
  custom: {
    50: '#54687a',
    500: '#0a3047',
    950: '#000000',
  },
}

SCSS

$custom: #0a3047;
$custom-light: #54687a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3047",
  "rgb": {
    "r": 10,
    "g": 48,
    "b": 71
  },
  "hsl": {
    "h": 202.623,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.2956,
    "c": 0.05883,
    "h": 240.2
  },
  "luminance": 0.02633
}

Semantic roles & 50–950 ramp

primary

#0A3047

secondary

#844B29

accent

#7D36F2

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0A3047

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

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