#03171A#03171A

#03171A is a very dark, muted teal. Relative luminance 0.007; OKLCH L 18.9% C 0.028 H 207.8°. Best body text is #FFFFFF at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#03171A
RGB	rgb(3, 23, 26)
HSL	hsl(188, 79%, 6%)
HSV	hsv(188, 88%, 10%)
CMYK	cmyk(88.5%, 11.5%, 0%, 89.8%)
CIE-LAB	lab(6.38, -5.79, -4.45)
CIE-LCH	lch(6.38, 7.31, 217.55°)
OKLab	oklab(18.91% -0.0246 -0.013)
OKLCH	oklch(18.91% 0.028 207.8)
XYZ	xyz(0.5303, 0.7067, 1.0855)
Luminance	0.0071 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03171A #1A0603

analogous

#031A11 #03171A #030B1A

triadic

#03171A #1A0317 #171A03

tetradic

#03171A #11031A #1A0603 #0B1A03

square

#03171A #11031A #1A0603 #0B1A03

split-complementary

#03171A #1A030B #1A1103

monochromatic

#03181B #03181B #03181B #094851 #107888

Accessibility & contrast

On white

18.40

#03171A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#03171A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03171A

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03171A	#FFFFFF	#000000	##FFFFFF
##03171A	1.00	18.40	1.14	18.40
#FFFFFF	18.40	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14161A

Deuteranopia (green-blind)

#10131A

Tritanopia (blue-blind)

#001918

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #03171a;
/* rgb */ color: rgb(3, 23, 26);
/* oklch */ color: oklch(18.9% 0.028 207.8);

Tailwind

colors: {
  custom: {
    50: '#475356',
    500: '#03171a',
    950: '#000000',
  },
}

SCSS

$custom: #03171a;
$custom-light: #475356;
$custom-dark: #000000;

JSON

{
  "hex": "#03171a",
  "rgb": {
    "r": 3,
    "g": 23,
    "b": 26
  },
  "hsl": {
    "h": 187.826,
    "s": 79.31,
    "l": 5.686
  },
  "oklch": {
    "l": 0.18909,
    "c": 0.02781,
    "h": 207.8
  },
  "luminance": 0.00707
}

Semantic roles & 50–950 ramp

primary

#03171A

secondary

#5E241B

accent

#4C32F6

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #03171A

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

Preview Lab → · Contrast checker → · Palette generator →