#031C2B#031C2B

#031C2B is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.6% C 0.043 H 238.2°. Best body text is #FFFFFF at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#031C2B
RGB	rgb(3, 28, 43)
HSL	hsl(203, 87%, 9%)
HSV	hsv(203, 93%, 17%)
CMYK	cmyk(93%, 34.9%, 0%, 83.1%)
CIE-LAB	lab(9.19, -3.25, -12.92)
CIE-LCH	lch(9.19, 13.32, 255.89°)
OKLab	oklab(21.56% -0.0226 -0.0366)
OKLCH	oklch(21.56% 0.043 238.2)
XYZ	xyz(0.8887, 1.0242, 2.4359)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031C2B #2B1203

analogous

#032B26 #031C2B #03082B

triadic

#031C2B #2B031C #1C2B03

tetradic

#031C2B #26032B #2B1203 #082B03

square

#031C2B #26032B #2B1203 #082B03

split-complementary

#031C2B #2B0308 #2B2603

monochromatic

#02131D #02131D #031C2B #074164 #0B679D

Accessibility & contrast

On white

17.43

#031C2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#031C2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031C2B

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031C2B	#FFFFFF	#000000	##FFFFFF
##031C2B	1.00	17.43	1.20	17.43
#FFFFFF	17.43	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151C2C

Deuteranopia (green-blind)

#0F182B

Tritanopia (blue-blind)

#002021

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #031c2b;
/* rgb */ color: rgb(3, 28, 43);
/* oklch */ color: oklch(21.6% 0.043 238.2);

Tailwind

colors: {
  custom: {
    50: '#495764',
    500: '#031c2b',
    950: '#000000',
  },
}

SCSS

$custom: #031c2b;
$custom-light: #495764;
$custom-dark: #000000;

JSON

{
  "hex": "#031c2b",
  "rgb": {
    "r": 3,
    "g": 28,
    "b": 43
  },
  "hsl": {
    "h": 202.5,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.21558,
    "c": 0.04301,
    "h": 238.2
  },
  "luminance": 0.01024
}

Semantic roles & 50–950 ramp

primary

#031C2B

secondary

#6F3A1B

accent

#7A2BFD

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010305

muted

#777879

Preview Lab

Preview with #031C2B

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

Preview Lab → · Contrast checker → · Palette generator →