#011931#011931

#011931 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 21.0% C 0.057 H 250.0°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#011931
RGB	rgb(1, 25, 49)
HSL	hsl(210, 96%, 10%)
HSV	hsv(210, 98%, 19%)
CMYK	cmyk(98%, 49%, 0%, 80.8%)
CIE-LAB	lab(8.34, 1.44, -18.68)
CIE-LCH	lch(8.34, 18.74, 274.42°)
OKLab	oklab(20.98% -0.0195 -0.0535)
OKLCH	oklch(20.98% 0.057 250)
XYZ	xyz(0.9143, 0.9233, 3.0352)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011931 #311901

analogous

#013131 #011931 #010131

triadic

#011931 #310119 #193101

tetradic

#011931 #310131 #311901 #013101

square

#011931 #310131 #311901 #013101

split-complementary

#011931 #310101 #313101

monochromatic

#010F1E #010F1E #011931 #02386D #0356A9

Accessibility & contrast

On white

17.73

#011931 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#011931 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011931

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011931	#FFFFFF	#000000	##FFFFFF
##011931	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D1B32

Deuteranopia (green-blind)

#051631

Tritanopia (blue-blind)

#001F22

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #011931;
/* rgb */ color: rgb(1, 25, 49);
/* oklch */ color: oklch(21.0% 0.057 250.0);

Tailwind

colors: {
  custom: {
    50: '#4a5569',
    500: '#011931',
    950: '#000000',
  },
}

SCSS

$custom: #011931;
$custom-light: #4a5569;
$custom-dark: #000000;

JSON

{
  "hex": "#011931",
  "rgb": {
    "r": 1,
    "g": 25,
    "b": 49
  },
  "hsl": {
    "h": 210,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.20983,
    "c": 0.05696,
    "h": 250
  },
  "luminance": 0.00923
}

Semantic roles & 50–950 ramp

primary

#011931

secondary

#774717

accent

#9429FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #011931

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

Preview Lab → · Contrast checker → · Palette generator →