#031D2F#031D2F

#031D2F is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 22.1% C 0.048 H 242.2°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#031D2F
RGB	rgb(3, 29, 47)
HSL	hsl(205, 88%, 10%)
HSV	hsv(205, 94%, 18%)
CMYK	cmyk(93.6%, 38.3%, 0%, 81.6%)
CIE-LAB	lab(9.82, -2.12, -14.86)
CIE-LCH	lch(9.82, 15.01, 261.88°)
OKLab	oklab(22.14% -0.0222 -0.0422)
OKLCH	oklch(22.14% 0.048 242.2)
XYZ	xyz(0.9898, 1.1032, 2.8495)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031D2F #2F1503

analogous

#032F2B #031D2F #03072F

triadic

#031D2F #2F031D #1D2F03

tetradic

#031D2F #2B032F #2F1503 #072F03

square

#031D2F #2B032F #2F1503 #072F03

split-complementary

#031D2F #2F0307 #2F2B03

monochromatic

#02121D #02121D #031D2F #074069 #0A64A2

Accessibility & contrast

On white

17.20

#031D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#031D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031D2F

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031D2F	#FFFFFF	#000000	##FFFFFF
##031D2F	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151D30

Deuteranopia (green-blind)

#0E192F

Tritanopia (blue-blind)

#002123

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #031d2f;
/* rgb */ color: rgb(3, 29, 47);
/* oklch */ color: oklch(22.1% 0.048 242.2);

Tailwind

colors: {
  custom: {
    50: '#4a5867',
    500: '#031d2f',
    950: '#000000',
  },
}

SCSS

$custom: #031d2f;
$custom-light: #4a5867;
$custom-dark: #000000;

JSON

{
  "hex": "#031d2f",
  "rgb": {
    "r": 3,
    "g": 29,
    "b": 47
  },
  "hsl": {
    "h": 204.545,
    "s": 88,
    "l": 9.804
  },
  "oklch": {
    "l": 0.2214,
    "c": 0.04765,
    "h": 242.2
  },
  "luminance": 0.01103
}

Semantic roles & 50–950 ramp

primary

#031D2F

secondary

#733F1B

accent

#812AFE

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #031D2F

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

Preview Lab → · Contrast checker → · Palette generator →