#031E40#031E40

#031E40 is a very dark, moderate cyan. Relative luminance 0.013; OKLCH L 23.8% C 0.073 H 255.6°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#031E40
RGB	rgb(3, 30, 64)
HSL	hsl(213, 91%, 13%)
HSV	hsv(213, 95%, 25%)
CMYK	cmyk(95.3%, 53.1%, 0%, 74.9%)
CIE-LAB	lab(11.40, 5.24, -24.52)
CIE-LCH	lch(11.40, 25.07, 282.07°)
OKLab	oklab(23.77% -0.0181 -0.0705)
OKLCH	oklch(23.77% 0.073 255.6)
XYZ	xyz(1.4269, 1.3179, 5.0287)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031E40 #402503

analogous

#033C40 #031E40 #070340

triadic

#031E40 #40031E #1E4003

tetradic

#031E40 #40033C #402503 #034007

square

#031E40 #40033C #402503 #034007

split-complementary

#031E40 #400703 #3C4003

monochromatic

#010E1D #010E1D #031E40 #06397A #0855B5

Accessibility & contrast

On white

16.62

#031E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#031E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031E40

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031E40	#FFFFFF	#000000	##FFFFFF
##031E40	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2141

Deuteranopia (green-blind)

#001C3F

Tritanopia (blue-blind)

#00262B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #031e40;
/* rgb */ color: rgb(3, 30, 64);
/* oklch */ color: oklch(23.8% 0.073 255.6);

Tailwind

colors: {
  custom: {
    50: '#505975',
    500: '#031e40',
    950: '#000000',
  },
}

SCSS

$custom: #031e40;
$custom-light: #505975;
$custom-dark: #000000;

JSON

{
  "hex": "#031e40",
  "rgb": {
    "r": 3,
    "g": 30,
    "b": 64
  },
  "hsl": {
    "h": 213.443,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23765,
    "c": 0.07277,
    "h": 255.6
  },
  "luminance": 0.01318
}

Semantic roles & 50–950 ramp

primary

#031E40

secondary

#82551D

accent

#A029FF

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #031E40

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

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