#03171F#03171F

#03171F is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 19.2% C 0.032 H 226.1°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#03171F
RGB	rgb(3, 23, 31)
HSL	hsl(197, 82%, 7%)
HSV	hsv(197, 90%, 12%)
CMYK	cmyk(90.3%, 25.8%, 0%, 87.8%)
CIE-LAB	lab(6.60, -4.24, -7.95)
CIE-LCH	lch(6.60, 9.01, 241.91°)
OKLab	oklab(19.2% -0.0219 -0.0227)
OKLCH	oklch(19.2% 0.032 226.1)
XYZ	xyz(0.5912, 0.7310, 1.4060)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03171F #1F0B03

analogous

#031F19 #03171F #03091F

triadic

#03171F #1F0317 #171F03

tetradic

#03171F #19031F #1F0B03 #091F03

square

#03171F #19031F #1F0B03 #091F03

split-complementary

#03171F #1F0309 #1F1903

monochromatic

#03151C #03151C #03171F #084057 #0E6A8F

Accessibility & contrast

On white

18.32

#03171F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#03171F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03171F

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03171F	#FFFFFF	#000000	##FFFFFF
##03171F	1.00	18.32	1.15	18.32
#FFFFFF	18.32	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13161F

Deuteranopia (green-blind)

#0F131F

Tritanopia (blue-blind)

#00191A

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #03171f;
/* rgb */ color: rgb(3, 23, 31);
/* oklch */ color: oklch(19.2% 0.032 226.1);

Tailwind

colors: {
  custom: {
    50: '#47535a',
    500: '#03171f',
    950: '#000000',
  },
}

SCSS

$custom: #03171f;
$custom-light: #47535a;
$custom-dark: #000000;

JSON

{
  "hex": "#03171f",
  "rgb": {
    "r": 3,
    "g": 23,
    "b": 31
  },
  "hsl": {
    "h": 197.143,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.19195,
    "c": 0.03154,
    "h": 226.1
  },
  "luminance": 0.00731
}

Semantic roles & 50–950 ramp

primary

#03171F

secondary

#632F1B

accent

#692FF9

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #03171F

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

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