#03091C#03091C

#03091C is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.6% C 0.043 H 263.9°. Best body text is #FFFFFF at 19.82:1 contrast (WCAG AA passes).

Color values

HEX	#03091C
RGB	rgb(3, 9, 28)
HSL	hsl(226, 81%, 6%)
HSV	hsv(226, 89%, 11%)
CMYK	cmyk(89.3%, 67.9%, 0%, 89%)
CIE-LAB	lab(2.70, 2.50, -11.49)
CIE-LCH	lch(2.70, 11.76, 282.29°)
OKLab	oklab(14.57% -0.0046 -0.0428)
OKLCH	oklch(14.57% 0.043 263.9)
XYZ	xyz(0.3448, 0.2985, 1.1378)
Luminance	0.0030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03091C #1C1603

analogous

#03151C #03091C #09031C

triadic

#03091C #1C0309 #091C03

tetradic

#03091C #1C0315 #1C1603 #031C09

square

#03091C #1C0315 #1C1603 #031C09

split-complementary

#03091C #1C0903 #151C03

monochromatic

#03091C #03091C #03091C #091B53 #0F2D8B

Accessibility & contrast

On white

19.82

#03091C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#03091C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03091C

19.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03091C	#FFFFFF	#000000	##FFFFFF
##03091C	1.00	19.82	1.06	19.82
#FFFFFF	19.82	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020B1D

Deuteranopia (green-blind)

#00091C

Tritanopia (blue-blind)

#000D11

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #03091c;
/* rgb */ color: rgb(3, 9, 28);
/* oklch */ color: oklch(14.6% 0.043 263.9);

Tailwind

colors: {
  custom: {
    50: '#474b58',
    500: '#03091c',
    950: '#000000',
  },
}

SCSS

$custom: #03091c;
$custom-light: #474b58;
$custom-dark: #000000;

JSON

{
  "hex": "#03091c",
  "rgb": {
    "r": 3,
    "g": 9,
    "b": 28
  },
  "hsl": {
    "h": 225.6,
    "s": 80.645,
    "l": 6.078
  },
  "oklch": {
    "l": 0.14565,
    "c": 0.04307,
    "h": 263.9
  },
  "luminance": 0.00299
}

Semantic roles & 50–950 ramp

primary

#03091C

secondary

#604F1B

accent

#C731F7

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #03091C

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

Preview Lab → · Contrast checker → · Palette generator →