#03171D#03171D

#03171D is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 19.1% C 0.030 H 219.4°. Best body text is #FFFFFF at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#03171D
RGB	rgb(3, 23, 29)
HSL	hsl(194, 81%, 6%)
HSV	hsv(194, 90%, 11%)
CMYK	cmyk(89.7%, 20.7%, 0%, 88.6%)
CIE-LAB	lab(6.51, -4.90, -6.56)
CIE-LCH	lch(6.51, 8.19, 233.28°)
OKLab	oklab(19.08% -0.0229 -0.0188)
OKLCH	oklch(19.08% 0.03 219.4)
XYZ	xyz(0.5656, 0.7208, 1.2715)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03171D #1D0903

analogous

#031D16 #03171D #030A1D

triadic

#03171D #1D0317 #171D03

tetradic

#03171D #16031D #1D0903 #0A1D03

square

#03171D #16031D #1D0903 #0A1D03

split-complementary

#03171D #1D030A #1D1603

monochromatic

#03161C #03161C #03171D #094354 #0E6F8C

Accessibility & contrast

On white

18.35

#03171D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#03171D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03171D

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03171D	#FFFFFF	#000000	##FFFFFF
##03171D	1.00	18.35	1.14	18.35
#FFFFFF	18.35	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13161D

Deuteranopia (green-blind)

#0F131D

Tritanopia (blue-blind)

#001919

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #03171d;
/* rgb */ color: rgb(3, 23, 29);
/* oklch */ color: oklch(19.1% 0.030 219.4);

Tailwind

colors: {
  custom: {
    50: '#475358',
    500: '#03171d',
    950: '#000000',
  },
}

SCSS

$custom: #03171d;
$custom-light: #475358;
$custom-dark: #000000;

JSON

{
  "hex": "#03171d",
  "rgb": {
    "r": 3,
    "g": 23,
    "b": 29
  },
  "hsl": {
    "h": 193.846,
    "s": 81.25,
    "l": 6.275
  },
  "oklch": {
    "l": 0.19076,
    "c": 0.02967,
    "h": 219.4
  },
  "luminance": 0.00721
}

Semantic roles & 50–950 ramp

primary

#03171D

secondary

#612B1B

accent

#5E30F8

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #03171D

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

Preview Lab → · Contrast checker → · Palette generator →