#031439#031439

#031439 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.5% C 0.076 H 261.6°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#031439
RGB	rgb(3, 20, 57)
HSL	hsl(221, 90%, 12%)
HSV	hsv(221, 95%, 22%)
CMYK	cmyk(94.7%, 64.9%, 0%, 77.6%)
CIE-LAB	lab(7.36, 9.81, -26.06)
CIE-LCH	lch(7.36, 27.85, 290.63°)
OKLab	oklab(20.47% -0.0111 -0.0754)
OKLCH	oklch(20.47% 0.076 261.6)
XYZ	xyz(1.0260, 0.8149, 3.9733)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031439 #392803

analogous

#032F39 #031439 #0D0339

triadic

#031439 #390314 #143903

tetradic

#031439 #39032F #392803 #03390D

square

#031439 #39032F #392803 #03390D

split-complementary

#031439 #390D03 #2F3903

monochromatic

#020A1D #020A1D #031439 #062873 #093DAD

Accessibility & contrast

On white

18.06

#031439 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#031439 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031439

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031439	#FFFFFF	#000000	##FFFFFF
##031439	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193A

Deuteranopia (green-blind)

#001438

Tritanopia (blue-blind)

#001D24

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #031439;
/* rgb */ color: rgb(3, 20, 57);
/* oklch */ color: oklch(20.5% 0.076 261.6);

Tailwind

colors: {
  custom: {
    50: '#4e5070',
    500: '#031439',
    950: '#000000',
  },
}

SCSS

$custom: #031439;
$custom-light: #4e5070;
$custom-dark: #000000;

JSON

{
  "hex": "#031439",
  "rgb": {
    "r": 3,
    "g": 20,
    "b": 57
  },
  "hsl": {
    "h": 221.111,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.20468,
    "c": 0.0762,
    "h": 261.6
  },
  "luminance": 0.00815
}

Semantic roles & 50–950 ramp

primary

#031439

secondary

#7C5E1C

accent

#BC29FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #031439

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

Preview Lab → · Contrast checker → · Palette generator →