#04242D#04242D

#04242D is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.2% C 0.040 H 220.4°. Best body text is #FFFFFF at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#04242D
RGB	rgb(4, 36, 45)
HSL	hsl(193, 84%, 10%)
HSV	hsv(193, 91%, 18%)
CMYK	cmyk(91.1%, 20%, 0%, 82.4%)
CIE-LAB	lab(12.46, -7.74, -9.30)
CIE-LCH	lch(12.46, 12.10, 230.22°)
OKLab	oklab(24.22% -0.0305 -0.026)
OKLCH	oklch(24.22% 0.04 220.4)
XYZ	xyz(1.1544, 1.4769, 2.7063)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04242D #2D0D04

analogous

#042D22 #04242D #04102D

triadic

#04242D #2D0424 #242D04

tetradic

#04242D #22042D #2D0D04 #102D04

square

#04242D #22042D #2D0D04 #102D04

split-complementary

#04242D #2D0410 #2D2204

monochromatic

#02161C #02161C #04242D #095165 #0E7E9D

Accessibility & contrast

On white

16.21

#04242D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#04242D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04242D

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04242D	#FFFFFF	#000000	##FFFFFF
##04242D	1.00	16.21	1.30	16.21
#FFFFFF	16.21	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F232D

Deuteranopia (green-blind)

#191F2D

Tritanopia (blue-blind)

#002727

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #04242d;
/* rgb */ color: rgb(4, 36, 45);
/* oklch */ color: oklch(24.2% 0.040 220.4);

Tailwind

colors: {
  custom: {
    50: '#4b5e65',
    500: '#04242d',
    950: '#000000',
  },
}

SCSS

$custom: #04242d;
$custom-light: #4b5e65;
$custom-dark: #000000;

JSON

{
  "hex": "#04242d",
  "rgb": {
    "r": 4,
    "g": 36,
    "b": 45
  },
  "hsl": {
    "h": 193.171,
    "s": 83.673,
    "l": 9.608
  },
  "oklch": {
    "l": 0.2422,
    "c": 0.04011,
    "h": 220.4
  },
  "luminance": 0.01477
}

Semantic roles & 50–950 ramp

primary

#04242D

secondary

#702F1D

accent

#5B2EFA

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010405

muted

#77797A

Preview Lab

Preview with #04242D

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

Preview Lab → · Contrast checker → · Palette generator →