#03041B#03041B

#03041B is a very dark, muted blue. Relative luminance 0.002; OKLCH L 12.7% C 0.052 H 273.0°. Best body text is #FFFFFF at 20.25:1 contrast (WCAG AA passes).

Color values

HEX	#03041B
RGB	rgb(3, 4, 27)
HSL	hsl(238, 80%, 6%)
HSV	hsv(238, 89%, 11%)
CMYK	cmyk(88.9%, 85.2%, 0%, 89.4%)
CIE-LAB	lab(1.67, 4.20, -12.20)
CIE-LCH	lch(1.67, 12.91, 289.00°)
OKLab	oklab(12.69% 0.0027 -0.0523)
OKLCH	oklch(12.69% 0.052 273)
XYZ	xyz(0.2787, 0.1853, 1.0578)
Luminance	0.0019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03041B #1B1A03

analogous

#03101B #03041B #0E031B

triadic

#03041B #1B0304 #041B03

tetradic

#03041B #1B0310 #1B1A03 #031B0E

square

#03041B #1B0310 #1B1A03 #031B0E

split-complementary

#03041B #1B0E03 #101B03

monochromatic

#03041C #03041C #03041C #090C52 #0F1489

Accessibility & contrast

On white

20.25

#03041B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#03041B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03041B

20.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03041B	#FFFFFF	#000000	##FFFFFF
##03041B	1.00	20.25	1.04	20.25
#FFFFFF	20.25	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00071C

Deuteranopia (green-blind)

#00051B

Tritanopia (blue-blind)

#00090D

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #03041b;
/* rgb */ color: rgb(3, 4, 27);
/* oklch */ color: oklch(12.7% 0.052 273.0);

Tailwind

colors: {
  custom: {
    50: '#474857',
    500: '#03041b',
    950: '#000000',
  },
}

SCSS

$custom: #03041b;
$custom-light: #474857;
$custom-dark: #000000;

JSON

{
  "hex": "#03041b",
  "rgb": {
    "r": 3,
    "g": 4,
    "b": 27
  },
  "hsl": {
    "h": 237.5,
    "s": 80,
    "l": 5.882
  },
  "oklch": {
    "l": 0.12694,
    "c": 0.05236,
    "h": 273
  },
  "luminance": 0.00185
}

Semantic roles & 50–950 ramp

primary

#03041B

secondary

#5F5C1B

accent

#EE31F6

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000003

muted

#777778

Preview Lab

Preview with #03041B

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

Preview Lab → · Contrast checker → · Palette generator →