#03001D#03001D

#03001D is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 11.1% C 0.069 H 277.5°. Best body text is #FFFFFF at 20.56:1 contrast (WCAG AA passes).

Color values

HEX	#03001D
RGB	rgb(3, 0, 29)
HSL	hsl(246, 100%, 6%)
HSV	hsv(246, 100%, 11%)
CMYK	cmyk(89.7%, 100%, 0%, 88.6%)
CIE-LAB	lab(0.98, 6.42, -14.86)
CIE-LCH	lch(0.98, 16.18, 293.36°)
OKLab	oklab(11.14% 0.009 -0.0681)
OKLCH	oklch(11.14% 0.069 277.5)
XYZ	xyz(0.2593, 0.1080, 1.1694)
Luminance	0.0011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03001D #1A1D00

analogous

#000B1D #03001D #11001D

triadic

#03001D #1D0300 #001D03

tetradic

#03001D #1D000B #1A1D00 #001D11

square

#03001D #1D000B #1A1D00 #001D11

split-complementary

#03001D #1D1100 #0B1D00

monochromatic

#03001F #03001F #03001F #09005A #100097

Accessibility & contrast

On white

20.56

#03001D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#03001D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03001D

20.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03001D	#FFFFFF	#000000	##FFFFFF
##03001D	1.00	20.56	1.02	20.56
#FFFFFF	20.56	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00041E

Deuteranopia (green-blind)

#00031C

Tritanopia (blue-blind)

#00060C

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #03001d;
/* rgb */ color: rgb(3, 0, 29);
/* oklch */ color: oklch(11.1% 0.069 277.5);

Tailwind

colors: {
  custom: {
    50: '#474758',
    500: '#03001d',
    950: '#000000',
  },
}

SCSS

$custom: #03001d;
$custom-light: #474758;
$custom-dark: #000000;

JSON

{
  "hex": "#03001d",
  "rgb": {
    "r": 3,
    "g": 0,
    "b": 29
  },
  "hsl": {
    "h": 246.207,
    "s": 100,
    "l": 5.686
  },
  "oklch": {
    "l": 0.11139,
    "c": 0.06866,
    "h": 277.5
  },
  "luminance": 0.00108
}

Semantic roles & 50–950 ramp

primary

#03001D

secondary

#5E6712

accent

#FF29E9

background

#F4F3F5

surface

#E6E5E9

border

#C2C1C5

text

#000003

muted

#777778

Preview Lab

Preview with #03001D

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

Preview Lab → · Contrast checker → · Palette generator →