#031840#031840

#031840 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.2% C 0.082 H 260.6°. Best body text is #FFFFFF at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#031840
RGB	rgb(3, 24, 64)
HSL	hsl(219, 91%, 13%)
HSV	hsv(219, 95%, 25%)
CMYK	cmyk(95.3%, 62.5%, 0%, 74.9%)
CIE-LAB	lab(9.34, 10.02, -27.85)
CIE-LCH	lch(9.34, 29.59, 289.78°)
OKLab	oklab(22.19% -0.0132 -0.0804)
OKLCH	oklch(22.19% 0.082 260.6)
XYZ	xyz(1.2893, 1.0426, 4.9828)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031840 #402B03

analogous

#033640 #031840 #0C0340

triadic

#031840 #400318 #184003

tetradic

#031840 #400336 #402B03 #03400C

square

#031840 #400336 #402B03 #03400C

split-complementary

#031840 #400C03 #364003

monochromatic

#010B1D #010B1D #031840 #062E7A #0844B5

Accessibility & contrast

On white

17.38

#031840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#031840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031840

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031840	#FFFFFF	#000000	##FFFFFF
##031840	1.00	17.38	1.21	17.38
#FFFFFF	17.38	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D41

Deuteranopia (green-blind)

#00173F

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #031840;
/* rgb */ color: rgb(3, 24, 64);
/* oklch */ color: oklch(22.2% 0.082 260.6);

Tailwind

colors: {
  custom: {
    50: '#505475',
    500: '#031840',
    950: '#000000',
  },
}

SCSS

$custom: #031840;
$custom-light: #505475;
$custom-dark: #000000;

JSON

{
  "hex": "#031840",
  "rgb": {
    "r": 3,
    "g": 24,
    "b": 64
  },
  "hsl": {
    "h": 219.344,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.22188,
    "c": 0.08153,
    "h": 260.6
  },
  "luminance": 0.01043
}

Semantic roles & 50–950 ramp

primary

#031840

secondary

#825F1D

accent

#B529FF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #031840

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

Preview Lab → · Contrast checker → · Palette generator →