#051638#051638

#051638 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.0% C 0.071 H 261.6°. Best body text is #FFFFFF at 17.82:1 contrast (WCAG AA passes).

Color values

HEX	#051638
RGB	rgb(5, 22, 56)
HSL	hsl(220, 84%, 12%)
HSV	hsv(220, 91%, 22%)
CMYK	cmyk(91.1%, 60.7%, 0%, 78%)
CIE-LAB	lab(8.05, 8.14, -24.21)
CIE-LCH	lch(8.05, 25.54, 288.58°)
OKLab	oklab(21.01% -0.0103 -0.0698)
OKLCH	oklch(21.01% 0.071 261.6)
XYZ	xyz(1.0630, 0.8915, 3.8567)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051638 #382705

analogous

#053038 #051638 #0E0538

triadic

#051638 #380516 #163805

tetradic

#051638 #380530 #382705 #05380E

square

#051638 #380530 #382705 #05380E

split-complementary

#051638 #380E05 #303805

monochromatic

#030B1C #030B1C #051638 #0A2C70 #0F42A8

Accessibility & contrast

On white

17.82

#051638 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#051638 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051638

17.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051638	#FFFFFF	#000000	##FFFFFF
##051638	1.00	17.82	1.18	17.82
#FFFFFF	17.82	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021A39

Deuteranopia (green-blind)

#001537

Tritanopia (blue-blind)

#001E24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #051638;
/* rgb */ color: rgb(5, 22, 56);
/* oklch */ color: oklch(21.0% 0.071 261.6);

Tailwind

colors: {
  custom: {
    50: '#4e526f',
    500: '#051638',
    950: '#000000',
  },
}

SCSS

$custom: #051638;
$custom-light: #4e526f;
$custom-dark: #000000;

JSON

{
  "hex": "#051638",
  "rgb": {
    "r": 5,
    "g": 22,
    "b": 56
  },
  "hsl": {
    "h": 220,
    "s": 83.607,
    "l": 11.961
  },
  "oklch": {
    "l": 0.21011,
    "c": 0.07052,
    "h": 261.6
  },
  "luminance": 0.00892
}

Semantic roles & 50–950 ramp

primary

#051638

secondary

#795B20

accent

#B62EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #051638

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

Preview Lab → · Contrast checker → · Palette generator →