#051B2E#051B2E

#051B2E is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.6% C 0.047 H 247.3°. Best body text is #FFFFFF at 17.46:1 contrast (WCAG AA passes).

Color values

HEX	#051B2E
RGB	rgb(5, 27, 46)
HSL	hsl(208, 80%, 10%)
HSV	hsv(208, 89%, 18%)
CMYK	cmyk(89.1%, 41.3%, 0%, 82%)
CIE-LAB	lab(9.10, -0.59, -15.26)
CIE-LCH	lch(9.10, 15.27, 267.79°)
OKLab	oklab(21.58% -0.0181 -0.0433)
OKLCH	oklch(21.58% 0.047 247.3)
XYZ	xyz(0.9475, 1.0133, 2.7299)
Luminance	0.0101 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051B2E #2E1805

analogous

#052E2D #051B2E #05062E

triadic

#051B2E #2E051B #1B2E05

tetradic

#051B2E #2D052E #2E1805 #062E05

square

#051B2E #2D052E #2E1805 #062E05

split-complementary

#051B2E #2E0506 #2E2D05

monochromatic

#03101C #03101C #051B2E #0B3B65 #115C9C

Accessibility & contrast

On white

17.46

#051B2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#051B2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051B2E

17.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051B2E	#FFFFFF	#000000	##FFFFFF
##051B2E	1.00	17.46	1.20	17.46
#FFFFFF	17.46	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121C2F

Deuteranopia (green-blind)

#0C182E

Tritanopia (blue-blind)

#002022

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #051b2e;
/* rgb */ color: rgb(5, 27, 46);
/* oklch */ color: oklch(21.6% 0.047 247.3);

Tailwind

colors: {
  custom: {
    50: '#4b5666',
    500: '#051b2e',
    950: '#000000',
  },
}

SCSS

$custom: #051b2e;
$custom-light: #4b5666;
$custom-dark: #000000;

JSON

{
  "hex": "#051b2e",
  "rgb": {
    "r": 5,
    "g": 27,
    "b": 46
  },
  "hsl": {
    "h": 207.805,
    "s": 80.392,
    "l": 10
  },
  "oklch": {
    "l": 0.21579,
    "c": 0.04698,
    "h": 247.3
  },
  "luminance": 0.01013
}

Semantic roles & 50–950 ramp

primary

#051B2E

secondary

#70441F

accent

#8D31F7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #051B2E

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

Preview Lab → · Contrast checker → · Palette generator →