#04090E#04090E

#04090E is a very dark, near-neutral cyan. Relative luminance 0.003; OKLCH L 13.6% C 0.015 H 242.1°. Best body text is #FFFFFF at 19.99:1 contrast (WCAG AA passes).

Color values

HEX	#04090E
RGB	rgb(4, 9, 14)
HSL	hsl(210, 56%, 4%)
HSV	hsv(210, 71%, 5%)
CMYK	cmyk(71.4%, 35.7%, 0%, 94.5%)
CIE-LAB	lab(2.28, -0.55, -2.53)
CIE-LCH	lch(2.28, 2.59, 257.78°)
OKLab	oklab(13.57% -0.0072 -0.0136)
OKLCH	oklch(13.57% 0.015 242.1)
XYZ	xyz(0.2270, 0.2529, 0.4522)
Luminance	0.0025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04090E #0E0904

analogous

#040E0E #04090E #04040E

triadic

#04090E #0E0409 #090E04

tetradic

#04090E #0E040E #0E0904 #040E04

square

#04090E #0E040E #0E0904 #040E04

split-complementary

#04090E #0E0404 #0E0E04

monochromatic

#070F18 #070F18 #070F18 #12283E #1F466D

Accessibility & contrast

On white

19.99

#04090E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#04090E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04090E

19.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04090E	#FFFFFF	#000000	##FFFFFF
##04090E	1.00	19.99	1.05	19.99
#FFFFFF	19.99	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07090E

Deuteranopia (green-blind)

#06080E

Tritanopia (blue-blind)

#020A0B

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #04090e;
/* rgb */ color: rgb(4, 9, 14);
/* oklch */ color: oklch(13.6% 0.015 242.1);

Tailwind

colors: {
  custom: {
    50: '#484b4d',
    500: '#04090e',
    950: '#000000',
  },
}

SCSS

$custom: #04090e;
$custom-light: #484b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#04090e",
  "rgb": {
    "r": 4,
    "g": 9,
    "b": 14
  },
  "hsl": {
    "h": 210,
    "s": 55.556,
    "l": 3.529
  },
  "oklch": {
    "l": 0.13568,
    "c": 0.01537,
    "h": 242.1
  },
  "luminance": 0.00253
}

Semantic roles & 50–950 ramp

primary

#04090E

secondary

#4C3722

accent

#9449DF

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #04090E

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

Preview Lab → · Contrast checker → · Palette generator →