#03091D#03091D

#03091D is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.7% C 0.045 H 264.3°. Best body text is #FFFFFF at 19.80:1 contrast (WCAG AA passes).

Color values

HEX	#03091D
RGB	rgb(3, 9, 29)
HSL	hsl(226, 81%, 6%)
HSV	hsv(226, 90%, 11%)
CMYK	cmyk(89.7%, 69%, 0%, 88.6%)
CIE-LAB	lab(2.74, 2.81, -12.22)
CIE-LCH	lch(2.74, 12.54, 282.94°)
OKLab	oklab(14.66% -0.0044 -0.0447)
OKLCH	oklch(14.66% 0.045 264.3)
XYZ	xyz(0.3569, 0.3034, 1.2019)
Luminance	0.0030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03091D #1D1703

analogous

#03161D #03091D #0A031D

triadic

#03091D #1D0309 #091D03

tetradic

#03091D #1D0316 #1D1703 #031D0A

square

#03091D #1D0316 #1D1703 #031D0A

split-complementary

#03091D #1D0A03 #161D03

monochromatic

#03091C #03091C #03091D #091A54 #0E2B8C

Accessibility & contrast

On white

19.80

#03091D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#03091D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03091D

19.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03091D	#FFFFFF	#000000	##FFFFFF
##03091D	1.00	19.80	1.06	19.80
#FFFFFF	19.80	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020B1E

Deuteranopia (green-blind)

#00091D

Tritanopia (blue-blind)

#000E11

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #03091d;
/* rgb */ color: rgb(3, 9, 29);
/* oklch */ color: oklch(14.7% 0.045 264.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#03091d",
  "rgb": {
    "r": 3,
    "g": 9,
    "b": 29
  },
  "hsl": {
    "h": 226.154,
    "s": 81.25,
    "l": 6.275
  },
  "oklch": {
    "l": 0.14663,
    "c": 0.04496,
    "h": 264.3
  },
  "luminance": 0.00303
}

Semantic roles & 50–950 ramp

primary

#03091D

secondary

#61511B

accent

#CA30F8

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #03091D

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

Preview Lab → · Contrast checker → · Palette generator →