#051D3F#051D3F

#051D3F is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.5% C 0.072 H 257.5°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#051D3F
RGB	rgb(5, 29, 63)
HSL	hsl(215, 85%, 13%)
HSV	hsv(215, 92%, 25%)
CMYK	cmyk(92.1%, 54%, 0%, 75.3%)
CIE-LAB	lab(11.06, 5.88, -24.35)
CIE-LCH	lch(11.06, 25.05, 283.58°)
OKLab	oklab(23.5% -0.0155 -0.07)
OKLCH	oklch(23.5% 0.072 257.5)
XYZ	xyz(1.3988, 1.2697, 4.8730)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051D3F #3F2705

analogous

#053A3F #051D3F #0A053F

triadic

#051D3F #3F051D #1D3F05

tetradic

#051D3F #3F053A #3F2705 #053F0A

square

#051D3F #3F053A #3F2705 #053F0A

split-complementary

#051D3F #3F0A05 #3A3F05

monochromatic

#020D1C #020D1C #051D3F #093778 #0E51B0

Accessibility & contrast

On white

16.75

#051D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#051D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051D3F

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051D3F	#FFFFFF	#000000	##FFFFFF
##051D3F	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2040

Deuteranopia (green-blind)

#001B3E

Tritanopia (blue-blind)

#00252A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #051d3f;
/* rgb */ color: rgb(5, 29, 63);
/* oklch */ color: oklch(23.5% 0.072 257.5);

Tailwind

colors: {
  custom: {
    50: '#505874',
    500: '#051d3f',
    950: '#000000',
  },
}

SCSS

$custom: #051d3f;
$custom-light: #505874;
$custom-dark: #000000;

JSON

{
  "hex": "#051d3f",
  "rgb": {
    "r": 5,
    "g": 29,
    "b": 63
  },
  "hsl": {
    "h": 215.172,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23504,
    "c": 0.07169,
    "h": 257.5
  },
  "luminance": 0.0127
}

Semantic roles & 50–950 ramp

primary

#051D3F

secondary

#805820

accent

#A62CFC

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #051D3F

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

Preview Lab → · Contrast checker → · Palette generator →