#011B2E#011B2E

#011B2E is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.3% C 0.050 H 243.1°. Best body text is #FFFFFF at 17.54:1 contrast (WCAG AA passes).

Color values

HEX	#011B2E
RGB	rgb(1, 27, 46)
HSL	hsl(205, 96%, 9%)
HSV	hsv(205, 98%, 18%)
CMYK	cmyk(97.8%, 41.3%, 0%, 82%)
CIE-LAB	lab(8.89, -1.59, -15.61)
CIE-LCH	lch(8.89, 15.69, 264.17°)
OKLab	oklab(21.35% -0.0225 -0.0445)
OKLCH	oklch(21.35% 0.05 243.1)
XYZ	xyz(0.8974, 0.9875, 2.7275)
Luminance	0.0099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011B2E #2E1401

analogous

#012E2B #011B2E #01052E

triadic

#011B2E #2E011B #1B2E01

tetradic

#011B2E #2B012E #2E1401 #052E01

square

#011B2E #2B012E #2E1401 #052E01

split-complementary

#011B2E #2E0105 #2E2B01

monochromatic

#01121E #01121E #011B2E #023E6A #0461A6

Accessibility & contrast

On white

17.54

#011B2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#011B2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011B2E

17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011B2E	#FFFFFF	#000000	##FFFFFF
##011B2E	1.00	17.54	1.20	17.54
#FFFFFF	17.54	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121C2F

Deuteranopia (green-blind)

#0B172E

Tritanopia (blue-blind)

#002022

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #011b2e;
/* rgb */ color: rgb(1, 27, 46);
/* oklch */ color: oklch(21.3% 0.050 243.1);

Tailwind

colors: {
  custom: {
    50: '#495666',
    500: '#011b2e',
    950: '#000000',
  },
}

SCSS

$custom: #011b2e;
$custom-light: #495666;
$custom-dark: #000000;

JSON

{
  "hex": "#011b2e",
  "rgb": {
    "r": 1,
    "g": 27,
    "b": 46
  },
  "hsl": {
    "h": 205.333,
    "s": 95.745,
    "l": 9.216
  },
  "oklch": {
    "l": 0.21347,
    "c": 0.04984,
    "h": 243.1
  },
  "luminance": 0.00988
}

Semantic roles & 50–950 ramp

primary

#011B2E

secondary

#743E17

accent

#8329FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #011B2E

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

Preview Lab → · Contrast checker → · Palette generator →