#03031E#03031E

#03031E is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 12.7% C 0.060 H 273.6°. Best body text is #FFFFFF at 20.28:1 contrast (WCAG AA passes).

Color values

HEX	#03031E
RGB	rgb(3, 3, 30)
HSL	hsl(240, 82%, 6%)
HSV	hsv(240, 90%, 12%)
CMYK	cmyk(90%, 90%, 0%, 88.2%)
CIE-LAB	lab(1.61, 5.53, -14.71)
CIE-LCH	lch(1.61, 15.72, 290.60°)
OKLab	oklab(12.68% 0.0038 -0.0602)
OKLCH	oklch(12.68% 0.06 273.6)
XYZ	xyz(0.3044, 0.1782, 1.2464)
Luminance	0.0018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03031E #1E1E03

analogous

#03111E #03031E #11031E

triadic

#03031E #1E0303 #031E03

tetradic

#03031E #1E0311 #1E1E03 #031E11

square

#03031E #1E0311 #1E1E03 #031E11

split-complementary

#03031E #1E1103 #111E03

monochromatic

#03031C #03031C #03031E #090956 #0E0E8D

Accessibility & contrast

On white

20.28

#03031E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#03031E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03031E

20.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03031E	#FFFFFF	#000000	##FFFFFF
##03031E	1.00	20.28	1.04	20.28
#FFFFFF	20.28	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00071F

Deuteranopia (green-blind)

#00051D

Tritanopia (blue-blind)

#00090E

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #03031e;
/* rgb */ color: rgb(3, 3, 30);
/* oklch */ color: oklch(12.7% 0.060 273.6);

Tailwind

colors: {
  custom: {
    50: '#474859',
    500: '#03031e',
    950: '#000000',
  },
}

SCSS

$custom: #03031e;
$custom-light: #474859;
$custom-dark: #000000;

JSON

{
  "hex": "#03031e",
  "rgb": {
    "r": 3,
    "g": 3,
    "b": 30
  },
  "hsl": {
    "h": 240,
    "s": 81.818,
    "l": 6.471
  },
  "oklch": {
    "l": 0.12676,
    "c": 0.06036,
    "h": 273.6
  },
  "luminance": 0.00178
}

Semantic roles & 50–950 ramp

primary

#03031E

secondary

#62621B

accent

#F830F8

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000003

muted

#777778

Preview Lab

Preview with #03031E

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

Preview Lab → · Contrast checker → · Palette generator →