#040508#040508

#040508 is a very dark, near-neutral blue. Relative luminance 0.002; OKLCH L 11.5% C 0.009 H 267.4°. Best body text is #FFFFFF at 20.38:1 contrast (WCAG AA passes).

Color values

HEX	#040508
RGB	rgb(4, 5, 8)
HSL	hsl(225, 33%, 2%)
HSV	hsv(225, 50%, 3%)
CMYK	cmyk(50%, 37.5%, 0%, 96.9%)
CIE-LAB	lab(1.37, 0.16, -1.23)
CIE-LCH	lch(1.37, 1.24, 277.27°)
OKLab	oklab(11.51% -0.0004 -0.0094)
OKLCH	oklch(11.51% 0.009 267.4)
XYZ	xyz(0.1482, 0.1519, 0.2512)
Luminance	0.0015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040508 #080704

analogous

#040708 #040508 #050408

triadic

#040508 #080405 #050804

tetradic

#040508 #080407 #080704 #040805

square

#040508 #080407 #080704 #040805

split-complementary

#040508 #080504 #070804

monochromatic

#0A0D14 #0A0D14 #0A0D14 #181F31 #2D385A

Accessibility & contrast

On white

20.38

#040508 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#040508 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040508

20.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040508	#FFFFFF	#000000	##FFFFFF
##040508	1.00	20.38	1.03	20.38
#FFFFFF	20.38	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#040508

Deuteranopia (green-blind)

#040508

Tritanopia (blue-blind)

#030606

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #040508;
/* rgb */ color: rgb(4, 5, 8);
/* oklch */ color: oklch(11.5% 0.009 267.4);

Tailwind

colors: {
  custom: {
    50: '#48494a',
    500: '#040508',
    950: '#000000',
  },
}

SCSS

$custom: #040508;
$custom-light: #48494a;
$custom-dark: #000000;

JSON

{
  "hex": "#040508",
  "rgb": {
    "r": 4,
    "g": 5,
    "b": 8
  },
  "hsl": {
    "h": 225,
    "s": 33.333,
    "l": 2.353
  },
  "oklch": {
    "l": 0.11511,
    "c": 0.00944,
    "h": 267.4
  },
  "luminance": 0.00152
}

Semantic roles & 50–950 ramp

primary

#040508

secondary

#403A28

accent

#AF5EC9

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #040508

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

Preview Lab → · Contrast checker → · Palette generator →