#05041B#05041B

#05041B is a very dark, muted blue. Relative luminance 0.002; OKLCH L 13.0% C 0.051 H 279.4°. Best body text is #FFFFFF at 20.20:1 contrast (WCAG AA passes).

Color values

HEX	#05041B
RGB	rgb(5, 4, 27)
HSL	hsl(243, 74%, 6%)
HSV	hsv(243, 85%, 11%)
CMYK	cmyk(81.5%, 85.2%, 0%, 89.4%)
CIE-LAB	lab(1.79, 4.73, -12.02)
CIE-LCH	lch(1.79, 12.91, 291.48°)
OKLab	oklab(13.01% 0.0084 -0.0506)
OKLCH	oklch(13.01% 0.051 279.4)
XYZ	xyz(0.3038, 0.1982, 1.0589)
Luminance	0.0020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05041B #1A1B04

analogous

#040E1B #05041B #10041B

triadic

#05041B #1B0504 #041B05

tetradic

#05041B #1B040E #1A1B04 #041B10

square

#05041B #1B040E #1A1B04 #041B10

split-complementary

#05041B #1B1004 #0E1B04

monochromatic

#05041B #05041B #05041B #0F0C50 #191486

Accessibility & contrast

On white

20.20

#05041B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#05041B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05041B

20.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05041B	#FFFFFF	#000000	##FFFFFF
##05041B	1.00	20.20	1.04	20.20
#FFFFFF	20.20	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00071C

Deuteranopia (green-blind)

#00061B

Tritanopia (blue-blind)

#00090D

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #05041b;
/* rgb */ color: rgb(5, 4, 27);
/* oklch */ color: oklch(13.0% 0.051 279.4);

Tailwind

colors: {
  custom: {
    50: '#484857',
    500: '#05041b',
    950: '#000000',
  },
}

SCSS

$custom: #05041b;
$custom-light: #484857;
$custom-dark: #000000;

JSON

{
  "hex": "#05041b",
  "rgb": {
    "r": 5,
    "g": 4,
    "b": 27
  },
  "hsl": {
    "h": 242.609,
    "s": 74.194,
    "l": 6.078
  },
  "oklch": {
    "l": 0.13014,
    "c": 0.05126,
    "h": 279.4
  },
  "luminance": 0.00198
}

Semantic roles & 50–950 ramp

primary

#05041B

secondary

#5B5D1E

accent

#F137E9

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000003

muted

#777778

Preview Lab

Preview with #05041B

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

Preview Lab → · Contrast checker → · Palette generator →