#031B27#031B27

#031B27 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 21.0% C 0.039 H 233.0°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#031B27
RGB	rgb(3, 27, 39)
HSL	hsl(200, 86%, 8%)
HSV	hsv(200, 92%, 15%)
CMYK	cmyk(92.3%, 30.8%, 0%, 84.7%)
CIE-LAB	lab(8.56, -4.33, -10.94)
CIE-LCH	lch(8.56, 11.77, 248.42°)
OKLab	oklab(20.98% -0.0232 -0.0308)
OKLCH	oklch(20.98% 0.039 233)
XYZ	xyz(0.7955, 0.9496, 2.0604)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031B27 #270F03

analogous

#032721 #031B27 #030927

triadic

#031B27 #27031B #1B2703

tetradic

#031B27 #210327 #270F03 #092703

square

#031B27 #210327 #270F03 #092703

split-complementary

#031B27 #270309 #272103

monochromatic

#02141C #02141C #031B27 #074260 #0C6A99

Accessibility & contrast

On white

17.65

#031B27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#031B27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031B27

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031B27	#FFFFFF	#000000	##FFFFFF
##031B27	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151B28

Deuteranopia (green-blind)

#101727

Tritanopia (blue-blind)

#001E1F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #031b27;
/* rgb */ color: rgb(3, 27, 39);
/* oklch */ color: oklch(21.0% 0.039 233.0);

Tailwind

colors: {
  custom: {
    50: '#485761',
    500: '#031b27',
    950: '#000000',
  },
}

SCSS

$custom: #031b27;
$custom-light: #485761;
$custom-dark: #000000;

JSON

{
  "hex": "#031b27",
  "rgb": {
    "r": 3,
    "g": 27,
    "b": 39
  },
  "hsl": {
    "h": 200,
    "s": 85.714,
    "l": 8.235
  },
  "oklch": {
    "l": 0.20981,
    "c": 0.03859,
    "h": 233
  },
  "luminance": 0.0095
}

Semantic roles & 50–950 ramp

primary

#031B27

secondary

#6B361B

accent

#712CFC

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#010305

muted

#777879

Preview Lab

Preview with #031B27

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

Preview Lab → · Contrast checker → · Palette generator →