#051C3D#051C3D

#051C3D is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.1% C 0.070 H 257.6°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#051C3D
RGB	rgb(5, 28, 61)
HSL	hsl(215, 85%, 13%)
HSV	hsv(215, 92%, 24%)
CMYK	cmyk(91.8%, 54.1%, 0%, 76.1%)
CIE-LAB	lab(10.55, 5.72, -23.75)
CIE-LCH	lch(10.55, 24.43, 283.55°)
OKLab	oklab(23.06% -0.015 -0.0683)
OKLCH	oklch(23.06% 0.07 257.6)
XYZ	xyz(1.3198, 1.1995, 4.5759)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051C3D #3D2605

analogous

#05383D #051C3D #0A053D

triadic

#051C3D #3D051C #1C3D05

tetradic

#051C3D #3D0538 #3D2605 #053D0A

square

#051C3D #3D0538 #3D2605 #053D0A

split-complementary

#051C3D #3D0A05 #383D05

monochromatic

#020D1C #020D1C #051C3D #0A3676 #0E50AE

Accessibility & contrast

On white

16.94

#051C3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#051C3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051C3D

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051C3D	#FFFFFF	#000000	##FFFFFF
##051C3D	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A1F3E

Deuteranopia (green-blind)

#001A3C

Tritanopia (blue-blind)

#002429

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #051c3d;
/* rgb */ color: rgb(5, 28, 61);
/* oklch */ color: oklch(23.1% 0.070 257.6);

Tailwind

colors: {
  custom: {
    50: '#505773',
    500: '#051c3d',
    950: '#000000',
  },
}

SCSS

$custom: #051c3d;
$custom-light: #505773;
$custom-dark: #000000;

JSON

{
  "hex": "#051c3d",
  "rgb": {
    "r": 5,
    "g": 28,
    "b": 61
  },
  "hsl": {
    "h": 215.357,
    "s": 84.848,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23062,
    "c": 0.06988,
    "h": 257.6
  },
  "luminance": 0.012
}

Semantic roles & 50–950 ramp

primary

#051C3D

secondary

#7E5720

accent

#A62DFB

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #051C3D

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

Preview Lab → · Contrast checker → · Palette generator →