#031C4E#031C4E

#031C4E is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.098 H 261.4°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#031C4E
RGB	rgb(3, 28, 78)
HSL	hsl(220, 93%, 16%)
HSV	hsv(220, 96%, 31%)
CMYK	cmyk(96.2%, 64.1%, 0%, 69.4%)
CIE-LAB	lab(11.96, 13.45, -33.35)
CIE-LCH	lch(11.96, 35.96, 291.97°)
OKLab	oklab(24.57% -0.0146 -0.0965)
OKLCH	oklch(24.57% 0.098 261.4)
XYZ	xyz(1.8275, 1.3997, 7.3801)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031C4E #4E3503

analogous

#03414E #031C4E #0F034E

triadic

#031C4E #4E031C #1C4E03

tetradic

#031C4E #4E0341 #4E3503 #034E0F

square

#031C4E #4E0341 #4E3503 #034E0F

split-complementary

#031C4E #4E0F03 #414E03

monochromatic

#010B1D #010B1D #031C4E #053189 #0846C4

Accessibility & contrast

On white

16.41

#031C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#031C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031C4E

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031C4E	#FFFFFF	#000000	##FFFFFF
##031C4E	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002350

Deuteranopia (green-blind)

#001C4D

Tritanopia (blue-blind)

#002931

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #031c4e;
/* rgb */ color: rgb(3, 28, 78);
/* oklch */ color: oklch(24.6% 0.098 261.4);

Tailwind

colors: {
  custom: {
    50: '#545780',
    500: '#031c4e',
    950: '#000000',
  },
}

SCSS

$custom: #031c4e;
$custom-light: #545780;
$custom-dark: #000000;

JSON

{
  "hex": "#031c4e",
  "rgb": {
    "r": 3,
    "g": 28,
    "b": 78
  },
  "hsl": {
    "h": 220,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.24574,
    "c": 0.09761,
    "h": 261.4
  },
  "luminance": 0.014
}

Semantic roles & 50–950 ramp

primary

#031C4E

secondary

#8E691E

accent

#B829FF

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03030A

muted

#78787C

Preview Lab

Preview with #031C4E

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

Preview Lab → · Contrast checker → · Palette generator →