#031B3A#031B3A

#031B3A is a very dark, moderate cyan. Relative luminance 0.011; OKLCH L 22.4% C 0.067 H 255.6°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#031B3A
RGB	rgb(3, 27, 58)
HSL	hsl(214, 90%, 12%)
HSV	hsv(214, 95%, 23%)
CMYK	cmyk(94.8%, 53.4%, 0%, 77.3%)
CIE-LAB	lab(9.87, 4.71, -22.73)
CIE-LCH	lch(9.87, 23.21, 281.70°)
OKLab	oklab(22.43% -0.0167 -0.0653)
OKLCH	oklch(22.43% 0.067 255.6)
XYZ	xyz(1.1929, 1.1086, 4.1533)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031B3A #3A2203

analogous

#03373A #031B3A #06033A

triadic

#031B3A #3A031B #1B3A03

tetradic

#031B3A #3A0337 #3A2203 #033A06

square

#031B3A #3A0337 #3A2203 #033A06

split-complementary

#031B3A #3A0603 #373A03

monochromatic

#020E1D #020E1D #031B3A #063674 #0951AE

Accessibility & contrast

On white

17.19

#031B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#031B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031B3A

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031B3A	#FFFFFF	#000000	##FFFFFF
##031B3A	1.00	17.19	1.22	17.19
#FFFFFF	17.19	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A1E3B

Deuteranopia (green-blind)

#001939

Tritanopia (blue-blind)

#002227

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #031b3a;
/* rgb */ color: rgb(3, 27, 58);
/* oklch */ color: oklch(22.4% 0.067 255.6);

Tailwind

colors: {
  custom: {
    50: '#4e5670',
    500: '#031b3a',
    950: '#000000',
  },
}

SCSS

$custom: #031b3a;
$custom-light: #4e5670;
$custom-dark: #000000;

JSON

{
  "hex": "#031b3a",
  "rgb": {
    "r": 3,
    "g": 27,
    "b": 58
  },
  "hsl": {
    "h": 213.818,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22425,
    "c": 0.06743,
    "h": 255.6
  },
  "luminance": 0.01109
}

Semantic roles & 50–950 ramp

primary

#031B3A

secondary

#7D531C

accent

#A229FF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #031B3A

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

Preview Lab → · Contrast checker → · Palette generator →