#031B28#031B28

#031B28 is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.0% C 0.040 H 235.2°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#031B28
RGB	rgb(3, 27, 40)
HSL	hsl(201, 86%, 8%)
HSV	hsv(201, 93%, 16%)
CMYK	cmyk(92.5%, 32.5%, 0%, 84.3%)
CIE-LAB	lab(8.62, -3.89, -11.60)
CIE-LCH	lch(8.62, 12.23, 251.46°)
OKLab	oklab(21.05% -0.0227 -0.0327)
OKLCH	oklch(21.05% 0.04 235.2)
XYZ	xyz(0.8123, 0.9563, 2.1488)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031B28 #281003

analogous

#032822 #031B28 #030828

triadic

#031B28 #28031B #1B2803

tetradic

#031B28 #220328 #281003 #082803

square

#031B28 #220328 #281003 #082803

split-complementary

#031B28 #280308 #282203

monochromatic

#02131C #02131C #031B28 #074161 #0C689A

Accessibility & contrast

On white

17.63

#031B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#031B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031B28

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031B28	#FFFFFF	#000000	##FFFFFF
##031B28	1.00	17.63	1.19	17.63
#FFFFFF	17.63	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151B29

Deuteranopia (green-blind)

#0F1728

Tritanopia (blue-blind)

#001E1F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #031b28;
/* rgb */ color: rgb(3, 27, 40);
/* oklch */ color: oklch(21.0% 0.040 235.2);

Tailwind

colors: {
  custom: {
    50: '#495762',
    500: '#031b28',
    950: '#000000',
  },
}

SCSS

$custom: #031b28;
$custom-light: #495762;
$custom-dark: #000000;

JSON

{
  "hex": "#031b28",
  "rgb": {
    "r": 3,
    "g": 27,
    "b": 40
  },
  "hsl": {
    "h": 201.081,
    "s": 86.047,
    "l": 8.431
  },
  "oklch": {
    "l": 0.21047,
    "c": 0.03986,
    "h": 235.2
  },
  "luminance": 0.00956
}

Semantic roles & 50–950 ramp

primary

#031B28

secondary

#6C371B

accent

#752CFC

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010305

muted

#777879

Preview Lab

Preview with #031B28

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

Preview Lab → · Contrast checker → · Palette generator →