#031E4E#031E4E

#031E4E is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.1% C 0.095 H 260.4°. Best body text is #FFFFFF at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#031E4E
RGB	rgb(3, 30, 78)
HSL	hsl(218, 93%, 16%)
HSV	hsv(218, 96%, 31%)
CMYK	cmyk(96.2%, 61.5%, 0%, 69.4%)
CIE-LAB	lab(12.59, 11.89, -32.31)
CIE-LCH	lch(12.59, 34.42, 290.20°)
OKLab	oklab(25.06% -0.0158 -0.0934)
OKLCH	oklch(25.06% 0.095 260.4)
XYZ	xyz(1.8765, 1.4977, 7.3964)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031E4E #4E3303

analogous

#03434E #031E4E #0D034E

triadic

#031E4E #4E031E #1E4E03

tetradic

#031E4E #4E0343 #4E3303 #034E0D

square

#031E4E #4E0343 #4E3303 #034E0D

split-complementary

#031E4E #4E0D03 #434E03

monochromatic

#010B1D #010B1D #031E4E #053589 #084BC4

Accessibility & contrast

On white

16.16

#031E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#031E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031E4E

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031E4E	#FFFFFF	#000000	##FFFFFF
##031E4E	1.00	16.16	1.30	16.16
#FFFFFF	16.16	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002450

Deuteranopia (green-blind)

#001D4D

Tritanopia (blue-blind)

#002A32

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #031e4e;
/* rgb */ color: rgb(3, 30, 78);
/* oklch */ color: oklch(25.1% 0.095 260.4);

Tailwind

colors: {
  custom: {
    50: '#545980',
    500: '#031e4e',
    950: '#000000',
  },
}

SCSS

$custom: #031e4e;
$custom-light: #545980;
$custom-dark: #000000;

JSON

{
  "hex": "#031e4e",
  "rgb": {
    "r": 3,
    "g": 30,
    "b": 78
  },
  "hsl": {
    "h": 218.4,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.25056,
    "c": 0.09474,
    "h": 260.4
  },
  "luminance": 0.01498
}

Semantic roles & 50–950 ramp

primary

#031E4E

secondary

#8E661E

accent

#B229FF

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03030A

muted

#78787C

Preview Lab

Preview with #031E4E

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

Preview Lab → · Contrast checker → · Palette generator →