#011D2B#011D2B

#011D2B is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 21.8% C 0.044 H 233.7°. Best body text is #FFFFFF at 17.33:1 contrast (WCAG AA passes).

Color values

HEX	#011D2B
RGB	rgb(1, 29, 43)
HSL	hsl(200, 95%, 9%)
HSV	hsv(200, 98%, 17%)
CMYK	cmyk(97.7%, 32.6%, 0%, 83.1%)
CIE-LAB	lab(9.48, -4.52, -12.48)
CIE-LCH	lch(9.48, 13.27, 250.09°)
OKLab	oklab(21.76% -0.026 -0.0353)
OKLCH	oklch(21.76% 0.044 233.7)
XYZ	xyz(0.8877, 1.0595, 2.4427)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011D2B #2B0F01

analogous

#012B24 #011D2B #01082B

triadic

#011D2B #2B011D #1D2B01

tetradic

#011D2B #24012B #2B0F01 #082B01

square

#011D2B #24012B #2B0F01 #082B01

split-complementary

#011D2B #2B0108 #2B2401

monochromatic

#01141E #01141E #011D2B #024567 #046EA3

Accessibility & contrast

On white

17.33

#011D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#011D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011D2B

17.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011D2B	#FFFFFF	#000000	##FFFFFF
##011D2B	1.00	17.33	1.21	17.33
#FFFFFF	17.33	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161D2C

Deuteranopia (green-blind)

#10192B

Tritanopia (blue-blind)

#002122

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #011d2b;
/* rgb */ color: rgb(1, 29, 43);
/* oklch */ color: oklch(21.8% 0.044 233.7);

Tailwind

colors: {
  custom: {
    50: '#485864',
    500: '#011d2b',
    950: '#000000',
  },
}

SCSS

$custom: #011d2b;
$custom-light: #485864;
$custom-dark: #000000;

JSON

{
  "hex": "#011d2b",
  "rgb": {
    "r": 1,
    "g": 29,
    "b": 43
  },
  "hsl": {
    "h": 200,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.21755,
    "c": 0.04382,
    "h": 233.7
  },
  "luminance": 0.0106
}

Semantic roles & 50–950 ramp

primary

#011D2B

secondary

#713517

accent

#7029FF

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010305

muted

#777879

Preview Lab

Preview with #011D2B

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

Preview Lab → · Contrast checker → · Palette generator →