#031B30#031B30

#031B30 is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.6% C 0.051 H 247.6°. Best body text is #FFFFFF at 17.45:1 contrast (WCAG AA passes).

Color values

HEX	#031B30
RGB	rgb(3, 27, 48)
HSL	hsl(208, 88%, 10%)
HSV	hsv(208, 94%, 19%)
CMYK	cmyk(93.8%, 43.8%, 0%, 81.2%)
CIE-LAB	lab(9.13, -0.13, -16.68)
CIE-LCH	lch(9.13, 16.69, 269.57°)
OKLab	oklab(21.61% -0.0196 -0.0476)
OKLCH	oklch(21.61% 0.051 247.6)
XYZ	xyz(0.9628, 1.0165, 2.9412)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031B30 #301803

analogous

#03302E #031B30 #030530

triadic

#031B30 #30031B #1B3003

tetradic

#031B30 #2E0330 #301803 #053003

square

#031B30 #2E0330 #301803 #053003

split-complementary

#031B30 #300305 #302E03

monochromatic

#02101D #02101D #031B30 #073B6A #0A5CA3

Accessibility & contrast

On white

17.45

#031B30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#031B30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031B30

17.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031B30	#FFFFFF	#000000	##FFFFFF
##031B30	1.00	17.45	1.20	17.45
#FFFFFF	17.45	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111C31

Deuteranopia (green-blind)

#0A1830

Tritanopia (blue-blind)

#002023

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #031b30;
/* rgb */ color: rgb(3, 27, 48);
/* oklch */ color: oklch(21.6% 0.051 247.6);

Tailwind

colors: {
  custom: {
    50: '#4b5668',
    500: '#031b30',
    950: '#000000',
  },
}

SCSS

$custom: #031b30;
$custom-light: #4b5668;
$custom-dark: #000000;

JSON

{
  "hex": "#031b30",
  "rgb": {
    "r": 3,
    "g": 27,
    "b": 48
  },
  "hsl": {
    "h": 208,
    "s": 88.235,
    "l": 10
  },
  "oklch": {
    "l": 0.21613,
    "c": 0.05144,
    "h": 247.6
  },
  "luminance": 0.01017
}

Semantic roles & 50–950 ramp

primary

#031B30

secondary

#73441B

accent

#8D29FE

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #031B30

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

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