#031331#031331

#031331 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.4% C 0.064 H 259.9°. Best body text is #FFFFFF at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#031331
RGB	rgb(3, 19, 49)
HSL	hsl(219, 88%, 10%)
HSV	hsv(219, 94%, 19%)
CMYK	cmyk(93.9%, 61.2%, 0%, 80.8%)
CIE-LAB	lab(6.38, 6.26, -21.80)
CIE-LCH	lch(6.38, 22.68, 286.02°)
OKLab	oklab(19.41% -0.0113 -0.0634)
OKLCH	oklch(19.41% 0.064 259.9)
XYZ	xyz(0.8246, 0.7068, 2.9981)
Luminance	0.0071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031331 #312103

analogous

#032A31 #031331 #0A0331

triadic

#031331 #310313 #133103

tetradic

#031331 #31032A #312103 #03310A

square

#031331 #31032A #312103 #03310A

split-complementary

#031331 #310A03 #2A3103

monochromatic

#020B1D #020B1D #031331 #07296B #0A40A4

Accessibility & contrast

On white

18.40

#031331 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#031331 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031331

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031331	#FFFFFF	#000000	##FFFFFF
##031331	1.00	18.40	1.14	18.40
#FFFFFF	18.40	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021632

Deuteranopia (green-blind)

#001230

Tritanopia (blue-blind)

#001A1F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #031331;
/* rgb */ color: rgb(3, 19, 49);
/* oklch */ color: oklch(19.4% 0.064 259.9);

Tailwind

colors: {
  custom: {
    50: '#4b5069',
    500: '#031331',
    950: '#000000',
  },
}

SCSS

$custom: #031331;
$custom-light: #4b5069;
$custom-dark: #000000;

JSON

{
  "hex": "#031331",
  "rgb": {
    "r": 3,
    "g": 19,
    "b": 49
  },
  "hsl": {
    "h": 219.13,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.19412,
    "c": 0.06442,
    "h": 259.9
  },
  "luminance": 0.00707
}

Semantic roles & 50–950 ramp

primary

#031331

secondary

#74551B

accent

#B429FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #031331

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

Preview Lab → · Contrast checker → · Palette generator →