#051937#051937

#051937 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.7% C 0.064 H 258.0°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#051937
RGB	rgb(5, 25, 55)
HSL	hsl(216, 83%, 12%)
HSV	hsv(216, 91%, 22%)
CMYK	cmyk(90.9%, 54.5%, 0%, 78.4%)
CIE-LAB	lab(9.02, 5.25, -21.93)
CIE-LCH	lch(9.02, 22.55, 283.46°)
OKLab	oklab(21.73% -0.0134 -0.063)
OKLCH	oklch(21.73% 0.064 258)
XYZ	xyz(1.0996, 1.0032, 3.7494)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051937 #372305

analogous

#053237 #051937 #0A0537

triadic

#051937 #370519 #193705

tetradic

#051937 #370532 #372305 #05370A

square

#051937 #370532 #372305 #05370A

split-complementary

#051937 #370A05 #323705

monochromatic

#030D1C #030D1C #051937 #0A336F #0F4CA7

Accessibility & contrast

On white

17.49

#051937 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#051937 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051937

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051937	#FFFFFF	#000000	##FFFFFF
##051937	1.00	17.49	1.20	17.49
#FFFFFF	17.49	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#091C38

Deuteranopia (green-blind)

#011736

Tritanopia (blue-blind)

#002025

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #051937;
/* rgb */ color: rgb(5, 25, 55);
/* oklch */ color: oklch(21.7% 0.064 258.0);

Tailwind

colors: {
  custom: {
    50: '#4e556e',
    500: '#051937',
    950: '#000000',
  },
}

SCSS

$custom: #051937;
$custom-light: #4e556e;
$custom-dark: #000000;

JSON

{
  "hex": "#051937",
  "rgb": {
    "r": 5,
    "g": 25,
    "b": 55
  },
  "hsl": {
    "h": 216,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21725,
    "c": 0.06438,
    "h": 258
  },
  "luminance": 0.01003
}

Semantic roles & 50–950 ramp

primary

#051937

secondary

#785520

accent

#A82EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #051937

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

Preview Lab → · Contrast checker → · Palette generator →