#05040F#05040F

#05040F is a very dark, muted blue. Relative luminance 0.002; OKLCH L 11.8% C 0.028 H 287.0°. Best body text is #FFFFFF at 20.37:1 contrast (WCAG AA passes).

Color values

HEX	#05040F
RGB	rgb(5, 4, 15)
HSL	hsl(245, 58%, 4%)
HSV	hsv(245, 73%, 6%)
CMYK	cmyk(66.7%, 73.3%, 0%, 94.1%)
CIE-LAB	lab(1.39, 1.89, -4.35)
CIE-LCH	lch(1.39, 4.74, 293.51°)
OKLab	oklab(11.76% 0.0083 -0.0269)
OKLCH	oklch(11.76% 0.028 287)
XYZ	xyz(0.1922, 0.1536, 0.4714)
Luminance	0.0015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05040F #0E0F04

analogous

#04080F #05040F #0A040F

triadic

#05040F #0F0504 #040F05

tetradic

#05040F #0F0408 #0E0F04 #040F0A

square

#05040F #0F0408 #0E0F04 #040F0A

split-complementary

#05040F #0F0A04 #080F04

monochromatic

#080618 #080618 #080618 #15113F #251E70

Accessibility & contrast

On white

20.37

#05040F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#05040F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05040F

20.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05040F	#FFFFFF	#000000	##FFFFFF
##05040F	1.00	20.37	1.03	20.37
#FFFFFF	20.37	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02050F

Deuteranopia (green-blind)

#02050F

Tritanopia (blue-blind)

#030608

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #05040f;
/* rgb */ color: rgb(5, 4, 15);
/* oklch */ color: oklch(11.8% 0.028 287.0);

Tailwind

colors: {
  custom: {
    50: '#49484e',
    500: '#05040f',
    950: '#000000',
  },
}

SCSS

$custom: #05040f;
$custom-light: #49484e;
$custom-dark: #000000;

JSON

{
  "hex": "#05040f",
  "rgb": {
    "r": 5,
    "g": 4,
    "b": 15
  },
  "hsl": {
    "h": 245.455,
    "s": 57.895,
    "l": 3.725
  },
  "oklch": {
    "l": 0.11758,
    "c": 0.02817,
    "h": 287
  },
  "luminance": 0.00154
}

Semantic roles & 50–950 ramp

primary

#05040F

secondary

#4A4E21

accent

#E147D3

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #05040F

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

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