#051939#051939

#051939 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.068 H 259.0°. Best body text is #FFFFFF at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#051939
RGB	rgb(5, 25, 57)
HSL	hsl(217, 84%, 12%)
HSV	hsv(217, 91%, 22%)
CMYK	cmyk(91.2%, 56.1%, 0%, 77.6%)
CIE-LAB	lab(9.18, 6.20, -23.11)
CIE-LCH	lch(9.18, 23.93, 285.02°)
OKLab	oklab(21.9% -0.013 -0.0664)
OKLCH	oklch(21.9% 0.068 259)
XYZ	xyz(1.1485, 1.0228, 4.0070)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051939 #392505

analogous

#053339 #051939 #0B0539

triadic

#051939 #390519 #193905

tetradic

#051939 #390533 #392505 #05390B

square

#051939 #390533 #392505 #05390B

split-complementary

#051939 #390B05 #333905

monochromatic

#020C1C #020C1C #051939 #0A3271 #0F4AAA

Accessibility & contrast

On white

17.43

#051939 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#051939 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051939

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051939	#FFFFFF	#000000	##FFFFFF
##051939	1.00	17.43	1.20	17.43
#FFFFFF	17.43	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071C3A

Deuteranopia (green-blind)

#001838

Tritanopia (blue-blind)

#002126

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #051939;
/* rgb */ color: rgb(5, 25, 57);
/* oklch */ color: oklch(21.9% 0.068 259.0);

Tailwind

colors: {
  custom: {
    50: '#4e556f',
    500: '#051939',
    950: '#000000',
  },
}

SCSS

$custom: #051939;
$custom-light: #4e556f;
$custom-dark: #000000;

JSON

{
  "hex": "#051939",
  "rgb": {
    "r": 5,
    "g": 25,
    "b": 57
  },
  "hsl": {
    "h": 216.923,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21901,
    "c": 0.0677,
    "h": 259
  },
  "luminance": 0.01023
}

Semantic roles & 50–950 ramp

primary

#051939

secondary

#7A5720

accent

#AB2EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #051939

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

Preview Lab → · Contrast checker → · Palette generator →