#031B23#031B23

#031B23 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.7% C 0.034 H 222.8°. Best body text is #FFFFFF at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#031B23
RGB	rgb(3, 27, 35)
HSL	hsl(195, 84%, 7%)
HSV	hsv(195, 91%, 14%)
CMYK	cmyk(91.4%, 22.9%, 0%, 86.3%)
CIE-LAB	lab(8.35, -5.96, -8.30)
CIE-LCH	lch(8.35, 10.22, 234.32°)
OKLab	oklab(20.73% -0.0251 -0.0232)
OKLCH	oklch(20.73% 0.034 222.8)
XYZ	xyz(0.7327, 0.9245, 1.7296)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031B23 #230B03

analogous

#03231B #031B23 #030B23

triadic

#031B23 #23031B #1B2303

tetradic

#031B23 #1B0323 #230B03 #0B2303

square

#031B23 #1B0323 #230B03 #0B2303

split-complementary

#031B23 #23030B #231B03

monochromatic

#02161C #02161C #031B23 #08465B #0D7294

Accessibility & contrast

On white

17.72

#031B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#031B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031B23

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031B23	#FFFFFF	#000000	##FFFFFF
##031B23	1.00	17.72	1.19	17.72
#FFFFFF	17.72	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161A23

Deuteranopia (green-blind)

#121723

Tritanopia (blue-blind)

#001D1E

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #031b23;
/* rgb */ color: rgb(3, 27, 35);
/* oklch */ color: oklch(20.7% 0.034 222.8);

Tailwind

colors: {
  custom: {
    50: '#48575d',
    500: '#031b23',
    950: '#000000',
  },
}

SCSS

$custom: #031b23;
$custom-light: #48575d;
$custom-dark: #000000;

JSON

{
  "hex": "#031b23",
  "rgb": {
    "r": 3,
    "g": 27,
    "b": 35
  },
  "hsl": {
    "h": 195,
    "s": 84.211,
    "l": 7.451
  },
  "oklch": {
    "l": 0.20734,
    "c": 0.03424,
    "h": 222.8
  },
  "luminance": 0.00925
}

Semantic roles & 50–950 ramp

primary

#031B23

secondary

#672E1B

accent

#612DFA

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000304

muted

#777879

Preview Lab

Preview with #031B23

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

Preview Lab → · Contrast checker → · Palette generator →