#031F1D#031F1D

#031F1D is a very dark, muted teal. Relative luminance 0.011; OKLCH L 21.7% C 0.034 H 188.4°. Best body text is #FFFFFF at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#031F1D
RGB	rgb(3, 31, 29)
HSL	hsl(176, 82%, 7%)
HSV	hsv(176, 90%, 12%)
CMYK	cmyk(90.3%, 0%, 6.5%, 87.8%)
CIE-LAB	lab(9.70, -11.14, -1.77)
CIE-LCH	lch(9.70, 11.28, 189.05°)
OKLab	oklab(21.74% -0.0338 -0.005)
OKLCH	oklch(21.74% 0.034 188.4)
XYZ	xyz(0.7492, 1.0880, 1.3327)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031F1D #1F0305

analogous

#031F0F #031F1D #03131F

triadic

#031F1D #1D031F #1F1D03

tetradic

#031F1D #0F031F #1F0305 #131F03

square

#031F1D #0F031F #1F0305 #131F03

split-complementary

#031F1D #1F0313 #1F0F03

monochromatic

#031C1A #031C1A #031F1D #085751 #0E8F85

Accessibility & contrast

On white

17.25

#031F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#031F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031F1D

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031F1D	#FFFFFF	#000000	##FFFFFF
##031F1D	1.00	17.25	1.22	17.25
#FFFFFF	17.25	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1D1D

Deuteranopia (green-blind)

#181A1D

Tritanopia (blue-blind)

#00201E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #031f1d;
/* rgb */ color: rgb(3, 31, 29);
/* oklch */ color: oklch(21.7% 0.034 188.4);

Tailwind

colors: {
  custom: {
    50: '#475a58',
    500: '#031f1d',
    950: '#000000',
  },
}

SCSS

$custom: #031f1d;
$custom-light: #475a58;
$custom-dark: #000000;

JSON

{
  "hex": "#031f1d",
  "rgb": {
    "r": 3,
    "g": 31,
    "b": 29
  },
  "hsl": {
    "h": 175.714,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.21742,
    "c": 0.03422,
    "h": 188.4
  },
  "luminance": 0.01088
}

Semantic roles & 50–950 ramp

primary

#031F1D

secondary

#631B20

accent

#2F3EF9

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000403

muted

#777978

Preview Lab

Preview with #031F1D

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

Preview Lab → · Contrast checker → · Palette generator →