#050B1F#050B1F

#050B1F is a very dark, muted blue. Relative luminance 0.004; OKLCH L 15.7% C 0.044 H 266.8°. Best body text is #FFFFFF at 19.55:1 contrast (WCAG AA passes).

Color values

HEX	#050B1F
RGB	rgb(5, 11, 31)
HSL	hsl(226, 72%, 7%)
HSV	hsv(226, 84%, 12%)
CMYK	cmyk(83.9%, 64.5%, 0%, 87.8%)
CIE-LAB	lab(3.35, 3.17, -12.88)
CIE-LCH	lch(3.35, 13.26, 283.83°)
OKLab	oklab(15.66% -0.0025 -0.0437)
OKLCH	oklch(15.66% 0.044 266.8)
XYZ	xyz(0.4295, 0.3705, 1.3449)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050B1F #1F1905

analogous

#05181F #050B1F #0C051F

triadic

#050B1F #1F050B #0B1F05

tetradic

#050B1F #1F0518 #1F1905 #051F0C

square

#050B1F #1F0518 #1F1905 #051F0C

split-complementary

#050B1F #1F0C05 #181F05

monochromatic

#04091A #04091A #050B1F #0E1E54 #163088

Accessibility & contrast

On white

19.55

#050B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#050B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050B1F

19.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050B1F	#FFFFFF	#000000	##FFFFFF
##050B1F	1.00	19.55	1.07	19.55
#FFFFFF	19.55	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#030D20

Deuteranopia (green-blind)

#010B1F

Tritanopia (blue-blind)

#001013

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #050b1f;
/* rgb */ color: rgb(5, 11, 31);
/* oklch */ color: oklch(15.7% 0.044 266.8);

Tailwind

colors: {
  custom: {
    50: '#484c5a',
    500: '#050b1f',
    950: '#000000',
  },
}

SCSS

$custom: #050b1f;
$custom-light: #484c5a;
$custom-dark: #000000;

JSON

{
  "hex": "#050b1f",
  "rgb": {
    "r": 5,
    "g": 11,
    "b": 31
  },
  "hsl": {
    "h": 226.154,
    "s": 72.222,
    "l": 7.059
  },
  "oklch": {
    "l": 0.15662,
    "c": 0.04381,
    "h": 266.8
  },
  "luminance": 0.00371
}

Semantic roles & 50–950 ramp

primary

#050B1F

secondary

#605120

accent

#C539EF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #050B1F

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

Preview Lab → · Contrast checker → · Palette generator →