#050B37#050B37

#050B37 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.3% C 0.085 H 268.6°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#050B37
RGB	rgb(5, 11, 55)
HSL	hsl(233, 83%, 12%)
HSV	hsv(233, 91%, 22%)
CMYK	cmyk(90.9%, 80%, 0%, 78.4%)
CIE-LAB	lab(4.94, 14.38, -28.52)
CIE-LCH	lch(4.94, 31.94, 296.76°)
OKLab	oklab(18.29% -0.0021 -0.0851)
OKLCH	oklch(18.29% 0.085 268.6)
XYZ	xyz(0.8716, 0.5473, 3.6734)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050B37 #373105

analogous

#052437 #050B37 #180537

triadic

#050B37 #37050B #0B3705

tetradic

#050B37 #370524 #373105 #053718

square

#050B37 #370524 #373105 #053718

split-complementary

#050B37 #371805 #243705

monochromatic

#03061C #03061C #050B37 #0A166F #0F21A7

Accessibility & contrast

On white

18.93

#050B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#050B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050B37

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050B37	#FFFFFF	#000000	##FFFFFF
##050B37	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001338

Deuteranopia (green-blind)

#000E36

Tritanopia (blue-blind)

#00171F

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #050b37;
/* rgb */ color: rgb(5, 11, 55);
/* oklch */ color: oklch(18.3% 0.085 268.6);

Tailwind

colors: {
  custom: {
    50: '#4e4b6e',
    500: '#050b37',
    950: '#000000',
  },
}

SCSS

$custom: #050b37;
$custom-light: #4e4b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#050b37",
  "rgb": {
    "r": 5,
    "g": 11,
    "b": 55
  },
  "hsl": {
    "h": 232.8,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.18289,
    "c": 0.08512,
    "h": 268.6
  },
  "luminance": 0.00547
}

Semantic roles & 50–950 ramp

primary

#050B37

secondary

#786E20

accent

#E12EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #050B37

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

Preview Lab → · Contrast checker → · Palette generator →