#051F2B#051F2B

#051F2B is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 22.6% C 0.039 H 231.6°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#051F2B
RGB	rgb(5, 31, 43)
HSL	hsl(199, 79%, 9%)
HSV	hsv(199, 88%, 17%)
CMYK	cmyk(88.4%, 27.9%, 0%, 83.1%)
CIE-LAB	lab(10.46, -4.90, -10.94)
CIE-LCH	lch(10.46, 11.99, 245.85°)
OKLab	oklab(22.6% -0.0243 -0.0307)
OKLCH	oklch(22.6% 0.039 231.6)
XYZ	xyz(0.9884, 1.1865, 2.4620)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051F2B #2B1105

analogous

#052B24 #051F2B #050C2B

triadic

#051F2B #2B051F #1F2B05

tetradic

#051F2B #24052B #2B1105 #0C2B05

square

#051F2B #24052B #2B1105 #0C2B05

split-complementary

#051F2B #2B050C #2B2405

monochromatic

#03141B #03141B #051F2B #0B4762 #126E99

Accessibility & contrast

On white

16.97

#051F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#051F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051F2B

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051F2B	#FFFFFF	#000000	##FFFFFF
##051F2B	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191F2C

Deuteranopia (green-blind)

#141B2B

Tritanopia (blue-blind)

#002223

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #051f2b;
/* rgb */ color: rgb(5, 31, 43);
/* oklch */ color: oklch(22.6% 0.039 231.6);

Tailwind

colors: {
  custom: {
    50: '#4b5a64',
    500: '#051f2b',
    950: '#000000',
  },
}

SCSS

$custom: #051f2b;
$custom-light: #4b5a64;
$custom-dark: #000000;

JSON

{
  "hex": "#051f2b",
  "rgb": {
    "r": 5,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 198.947,
    "s": 79.167,
    "l": 9.412
  },
  "oklch": {
    "l": 0.22595,
    "c": 0.03921,
    "h": 231.6
  },
  "luminance": 0.01187
}

Semantic roles & 50–950 ramp

primary

#051F2B

secondary

#6D381F

accent

#7032F6

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010305

muted

#777879

Preview Lab

Preview with #051F2B

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

Preview Lab → · Contrast checker → · Palette generator →