#031C3A#031C3A

#031C3A is a very dark, moderate cyan. Relative luminance 0.012; OKLCH L 22.7% C 0.066 H 254.5°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#031C3A
RGB	rgb(3, 28, 58)
HSL	hsl(213, 90%, 12%)
HSV	hsv(213, 95%, 23%)
CMYK	cmyk(94.8%, 51.7%, 0%, 77.3%)
CIE-LAB	lab(10.22, 3.92, -22.15)
CIE-LCH	lch(10.22, 22.50, 280.03°)
OKLab	oklab(22.7% -0.0177 -0.0636)
OKLCH	oklch(22.7% 0.066 254.5)
XYZ	xyz(1.2162, 1.1552, 4.1610)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031C3A #3A2103

analogous

#03383A #031C3A #05033A

triadic

#031C3A #3A031C #1C3A03

tetradic

#031C3A #3A0338 #3A2103 #033A05

square

#031C3A #3A0338 #3A2103 #033A05

split-complementary

#031C3A #3A0503 #383A03

monochromatic

#020E1D #020E1D #031C3A #063874 #0954AE

Accessibility & contrast

On white

17.06

#031C3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#031C3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031C3A

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031C3A	#FFFFFF	#000000	##FFFFFF
##031C3A	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C1F3B

Deuteranopia (green-blind)

#021A39

Tritanopia (blue-blind)

#002328

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #031c3a;
/* rgb */ color: rgb(3, 28, 58);
/* oklch */ color: oklch(22.7% 0.066 254.5);

Tailwind

colors: {
  custom: {
    50: '#4e5770',
    500: '#031c3a',
    950: '#000000',
  },
}

SCSS

$custom: #031c3a;
$custom-light: #4e5770;
$custom-dark: #000000;

JSON

{
  "hex": "#031c3a",
  "rgb": {
    "r": 3,
    "g": 28,
    "b": 58
  },
  "hsl": {
    "h": 212.727,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22703,
    "c": 0.06601,
    "h": 254.5
  },
  "luminance": 0.01155
}

Semantic roles & 50–950 ramp

primary

#031C3A

secondary

#7D511C

accent

#9E29FF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #031C3A

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

Preview Lab → · Contrast checker → · Palette generator →