#051839#051839

#051839 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.6% C 0.069 H 260.0°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#051839
RGB	rgb(5, 24, 57)
HSL	hsl(218, 84%, 12%)
HSV	hsv(218, 91%, 22%)
CMYK	cmyk(91.2%, 57.9%, 0%, 77.6%)
CIE-LAB	lab(8.83, 7.00, -23.67)
CIE-LCH	lch(8.83, 24.69, 286.48°)
OKLab	oklab(21.63% -0.012 -0.0681)
OKLCH	oklch(21.63% 0.069 260)
XYZ	xyz(1.1275, 0.9808, 4.0000)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051839 #392605

analogous

#053239 #051839 #0C0539

triadic

#051839 #390518 #183905

tetradic

#051839 #390532 #392605 #05390C

square

#051839 #390532 #392605 #05390C

split-complementary

#051839 #390C05 #323905

monochromatic

#020C1C #020C1C #051839 #0A3071 #0F47AA

Accessibility & contrast

On white

17.56

#051839 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#051839 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051839

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051839	#FFFFFF	#000000	##FFFFFF
##051839	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051C3A

Deuteranopia (green-blind)

#001738

Tritanopia (blue-blind)

#002025

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #051839;
/* rgb */ color: rgb(5, 24, 57);
/* oklch */ color: oklch(21.6% 0.069 260.0);

Tailwind

colors: {
  custom: {
    50: '#4e5470',
    500: '#051839',
    950: '#000000',
  },
}

SCSS

$custom: #051839;
$custom-light: #4e5470;
$custom-dark: #000000;

JSON

{
  "hex": "#051839",
  "rgb": {
    "r": 5,
    "g": 24,
    "b": 57
  },
  "hsl": {
    "h": 218.077,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21633,
    "c": 0.06918,
    "h": 260
  },
  "luminance": 0.00981
}

Semantic roles & 50–950 ramp

primary

#051839

secondary

#7A5920

accent

#AF2EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #051839

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

Preview Lab → · Contrast checker → · Palette generator →