#011B2D#011B2D

#011B2D is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.3% C 0.048 H 241.7°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#011B2D
RGB	rgb(1, 27, 45)
HSL	hsl(205, 96%, 9%)
HSV	hsv(205, 98%, 18%)
CMYK	cmyk(97.8%, 40%, 0%, 82.4%)
CIE-LAB	lab(8.82, -2.08, -14.98)
CIE-LCH	lch(8.82, 15.12, 262.09°)
OKLab	oklab(21.27% -0.0229 -0.0426)
OKLCH	oklch(21.27% 0.048 241.7)
XYZ	xyz(0.8779, 0.9797, 2.6249)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011B2D #2D1301

analogous

#012D29 #011B2D #01052D

triadic

#011B2D #2D011B #1B2D01

tetradic

#011B2D #29012D #2D1301 #052D01

square

#011B2D #29012D #2D1301 #052D01

split-complementary

#011B2D #2D0105 #2D2901

monochromatic

#01121E #01121E #011B2D #023F69 #0463A5

Accessibility & contrast

On white

17.56

#011B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#011B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011B2D

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011B2D	#FFFFFF	#000000	##FFFFFF
##011B2D	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121B2E

Deuteranopia (green-blind)

#0C172D

Tritanopia (blue-blind)

#001F21

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #011b2d;
/* rgb */ color: rgb(1, 27, 45);
/* oklch */ color: oklch(21.3% 0.048 241.7);

Tailwind

colors: {
  custom: {
    50: '#495766',
    500: '#011b2d',
    950: '#000000',
  },
}

SCSS

$custom: #011b2d;
$custom-light: #495766;
$custom-dark: #000000;

JSON

{
  "hex": "#011b2d",
  "rgb": {
    "r": 1,
    "g": 27,
    "b": 45
  },
  "hsl": {
    "h": 204.545,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.21274,
    "c": 0.04839,
    "h": 241.7
  },
  "luminance": 0.0098
}

Semantic roles & 50–950 ramp

primary

#011B2D

secondary

#733D17

accent

#8029FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010305

muted

#77787A

Preview Lab

Preview with #011B2D

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

Preview Lab → · Contrast checker → · Palette generator →