#031438#031438

#031438 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.4% C 0.075 H 261.4°. Best body text is #FFFFFF at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#031438
RGB	rgb(3, 20, 56)
HSL	hsl(221, 90%, 12%)
HSV	hsv(221, 95%, 22%)
CMYK	cmyk(94.6%, 64.3%, 0%, 78%)
CIE-LAB	lab(7.27, 9.30, -25.48)
CIE-LCH	lch(7.27, 27.12, 290.04°)
OKLab	oklab(20.37% -0.0112 -0.0737)
OKLCH	oklch(20.37% 0.075 261.4)
XYZ	xyz(1.0013, 0.8051, 3.8432)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031438 #382703

analogous

#032F38 #031438 #0D0338

triadic

#031438 #380314 #143803

tetradic

#031438 #38032F #382703 #03380D

square

#031438 #38032F #382703 #03380D

split-complementary

#031438 #380D03 #2F3803

monochromatic

#020A1D #020A1D #031438 #062972 #093DAC

Accessibility & contrast

On white

18.09

#031438 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#031438 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031438

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031438	#FFFFFF	#000000	##FFFFFF
##031438	1.00	18.09	1.16	18.09
#FFFFFF	18.09	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001939

Deuteranopia (green-blind)

#001437

Tritanopia (blue-blind)

#001D23

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #031438;
/* rgb */ color: rgb(3, 20, 56);
/* oklch */ color: oklch(20.4% 0.075 261.4);

Tailwind

colors: {
  custom: {
    50: '#4e506f',
    500: '#031438',
    950: '#000000',
  },
}

SCSS

$custom: #031438;
$custom-light: #4e506f;
$custom-dark: #000000;

JSON

{
  "hex": "#031438",
  "rgb": {
    "r": 3,
    "g": 20,
    "b": 56
  },
  "hsl": {
    "h": 220.755,
    "s": 89.831,
    "l": 11.569
  },
  "oklch": {
    "l": 0.20367,
    "c": 0.07456,
    "h": 261.4
  },
  "luminance": 0.00805
}

Semantic roles & 50–950 ramp

primary

#031438

secondary

#7B5C1C

accent

#BA29FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #031438

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

Preview Lab → · Contrast checker → · Palette generator →