#051B2F#051B2F

#051B2F is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.7% C 0.049 H 248.5°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#051B2F
RGB	rgb(5, 27, 47)
HSL	hsl(209, 81%, 10%)
HSV	hsv(209, 89%, 18%)
CMYK	cmyk(89.4%, 42.6%, 0%, 81.6%)
CIE-LAB	lab(9.17, -0.12, -15.88)
CIE-LCH	lch(9.17, 15.89, 269.55°)
OKLab	oklab(21.65% -0.0178 -0.0452)
OKLCH	oklch(21.65% 0.049 248.5)
XYZ	xyz(0.9674, 1.0213, 2.8349)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051B2F #2F1905

analogous

#052F2E #051B2F #05062F

triadic

#051B2F #2F051B #1B2F05

tetradic

#051B2F #2E052F #2F1905 #062F05

square

#051B2F #2E052F #2F1905 #062F05

split-complementary

#051B2F #2F0506 #2F2E05

monochromatic

#03101C #03101C #051B2F #0B3B66 #115B9E

Accessibility & contrast

On white

17.44

#051B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#051B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051B2F

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051B2F	#FFFFFF	#000000	##FFFFFF
##051B2F	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121C30

Deuteranopia (green-blind)

#0C182F

Tritanopia (blue-blind)

#002022

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #051b2f;
/* rgb */ color: rgb(5, 27, 47);
/* oklch */ color: oklch(21.7% 0.049 248.5);

Tailwind

colors: {
  custom: {
    50: '#4b5667',
    500: '#051b2f',
    950: '#000000',
  },
}

SCSS

$custom: #051b2f;
$custom-light: #4b5667;
$custom-dark: #000000;

JSON

{
  "hex": "#051b2f",
  "rgb": {
    "r": 5,
    "g": 27,
    "b": 47
  },
  "hsl": {
    "h": 208.571,
    "s": 80.769,
    "l": 10.196
  },
  "oklch": {
    "l": 0.21652,
    "c": 0.04856,
    "h": 248.5
  },
  "luminance": 0.01021
}

Semantic roles & 50–950 ramp

primary

#051B2F

secondary

#71461F

accent

#8F31F7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #051B2F

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

Preview Lab → · Contrast checker → · Palette generator →