#050B3B#050B3B

#050B3B is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.8% C 0.091 H 268.4°. Best body text is #FFFFFF at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#050B3B
RGB	rgb(5, 11, 59)
HSL	hsl(233, 84%, 13%)
HSV	hsv(233, 92%, 23%)
CMYK	cmyk(91.5%, 81.4%, 0%, 76.9%)
CIE-LAB	lab(5.30, 16.67, -30.84)
CIE-LCH	lch(5.30, 35.06, 298.40°)
OKLab	oklab(18.79% -0.0026 -0.0912)
OKLCH	oklch(18.79% 0.091 268.4)
XYZ	xyz(0.9714, 0.5873, 4.1990)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Dark Navy

#000435

ΔE00 1.68

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050B3B #3B3505

analogous

#05263B #050B3B #1A053B

triadic

#050B3B #3B050B #0B3B05

tetradic

#050B3B #3B0526 #3B3505 #053B1A

square

#050B3B #3B0526 #3B3505 #053B1A

split-complementary

#050B3B #3B1A05 #263B05

monochromatic

#02051C #02051C #050B3B #0A1673 #0F20AC

Accessibility & contrast

On white

18.79

#050B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#050B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050B3B

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050B3B	#FFFFFF	#000000	##FFFFFF
##050B3B	1.00	18.79	1.12	18.79
#FFFFFF	18.79	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143C

Deuteranopia (green-blind)

#000F3A

Tritanopia (blue-blind)

#001922

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #050b3b;
/* rgb */ color: rgb(5, 11, 59);
/* oklch */ color: oklch(18.8% 0.091 268.4);

Tailwind

colors: {
  custom: {
    50: '#504b71',
    500: '#050b3b',
    950: '#000000',
  },
}

SCSS

$custom: #050b3b;
$custom-light: #504b71;
$custom-dark: #000000;

JSON

{
  "hex": "#050b3b",
  "rgb": {
    "r": 5,
    "g": 11,
    "b": 59
  },
  "hsl": {
    "h": 233.333,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.18786,
    "c": 0.09127,
    "h": 268.4
  },
  "luminance": 0.00587
}

Semantic roles & 50–950 ramp

primary

#050B3B

secondary

#7C7220

accent

#E42DFB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020108

muted

#78777B

Preview Lab

Preview with #050B3B

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

Preview Lab → · Contrast checker → · Palette generator →