#051F3C#051F3C

#051F3C is a very dark, moderate cyan. Relative luminance 0.013; OKLCH L 23.8% C 0.064 H 253.6°. Best body text is #FFFFFF at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#051F3C
RGB	rgb(5, 31, 60)
HSL	hsl(212, 85%, 13%)
HSV	hsv(212, 92%, 24%)
CMYK	cmyk(91.7%, 48.3%, 0%, 76.5%)
CIE-LAB	lab(11.54, 2.91, -21.46)
CIE-LCH	lch(11.54, 21.66, 277.72°)
OKLab	oklab(23.8% -0.0181 -0.0614)
OKLCH	oklch(23.8% 0.064 253.6)
XYZ	xyz(1.3679, 1.3383, 4.4603)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051F3C #3C2205

analogous

#053A3C #051F3C #06053C

triadic

#051F3C #3C051F #1F3C05

tetradic

#051F3C #3C053A #3C2205 #053C06

square

#051F3C #3C053A #3C2205 #053C06

split-complementary

#051F3C #3C0605 #3A3C05

monochromatic

#020F1C #020F1C #051F3C #0A3C74 #0E59AD

Accessibility & contrast

On white

16.57

#051F3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#051F3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051F3C

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051F3C	#FFFFFF	#000000	##FFFFFF
##051F3C	1.00	16.57	1.27	16.57
#FFFFFF	16.57	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11213D

Deuteranopia (green-blind)

#071C3B

Tritanopia (blue-blind)

#00262A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #051f3c;
/* rgb */ color: rgb(5, 31, 60);
/* oklch */ color: oklch(23.8% 0.064 253.6);

Tailwind

colors: {
  custom: {
    50: '#4f5a72',
    500: '#051f3c',
    950: '#000000',
  },
}

SCSS

$custom: #051f3c;
$custom-light: #4f5a72;
$custom-dark: #000000;

JSON

{
  "hex": "#051f3c",
  "rgb": {
    "r": 5,
    "g": 31,
    "b": 60
  },
  "hsl": {
    "h": 211.636,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.23802,
    "c": 0.06406,
    "h": 253.6
  },
  "luminance": 0.01338
}

Semantic roles & 50–950 ramp

primary

#051F3C

secondary

#7D5120

accent

#9A2DFB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020308

muted

#78787B

Preview Lab

Preview with #051F3C

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

Preview Lab → · Contrast checker → · Palette generator →