#031437#031437

#031437 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.3% C 0.073 H 261.1°. Best body text is #FFFFFF at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#031437
RGB	rgb(3, 20, 55)
HSL	hsl(220, 90%, 11%)
HSV	hsv(220, 95%, 22%)
CMYK	cmyk(94.5%, 63.6%, 0%, 78.4%)
CIE-LAB	lab(7.18, 8.78, -24.90)
CIE-LCH	lch(7.18, 26.40, 289.43°)
OKLab	oklab(20.27% -0.0113 -0.072)
OKLCH	oklch(20.27% 0.073 261.1)
XYZ	xyz(0.9770, 0.7954, 3.7157)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031437 #372603

analogous

#032E37 #031437 #0C0337

triadic

#031437 #370314 #143703

tetradic

#031437 #37032E #372603 #03370C

square

#031437 #37032E #372603 #03370C

split-complementary

#031437 #370C03 #2E3703

monochromatic

#020B1D #020B1D #031437 #062971 #093EAB

Accessibility & contrast

On white

18.12

#031437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#031437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031437

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031437	#FFFFFF	#000000	##FFFFFF
##031437	1.00	18.12	1.16	18.12
#FFFFFF	18.12	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001838

Deuteranopia (green-blind)

#001436

Tritanopia (blue-blind)

#001D23

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #031437;
/* rgb */ color: rgb(3, 20, 55);
/* oklch */ color: oklch(20.3% 0.073 261.1);

Tailwind

colors: {
  custom: {
    50: '#4d506e',
    500: '#031437',
    950: '#000000',
  },
}

SCSS

$custom: #031437;
$custom-light: #4d506e;
$custom-dark: #000000;

JSON

{
  "hex": "#031437",
  "rgb": {
    "r": 3,
    "g": 20,
    "b": 55
  },
  "hsl": {
    "h": 220.385,
    "s": 89.655,
    "l": 11.373
  },
  "oklch": {
    "l": 0.20266,
    "c": 0.07291,
    "h": 261.1
  },
  "luminance": 0.00796
}

Semantic roles & 50–950 ramp

primary

#031437

secondary

#7A5B1C

accent

#B929FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #031437

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

Preview Lab → · Contrast checker → · Palette generator →