#39090C#39090C

#39090C is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.075 H 22.0°. Best body text is #FFFFFF at 17.24:1 contrast (WCAG AA passes).

Color values

HEX	#39090C
RGB	rgb(57, 9, 12)
HSL	hsl(356, 73%, 13%)
HSV	hsv(356, 84%, 22%)
CMYK	cmyk(0%, 84.2%, 78.9%, 77.6%)
CIE-LAB	lab(9.74, 23.60, 10.19)
CIE-LCH	lch(9.74, 25.71, 23.36°)
OKLab	oklab(23.1% 0.0694 0.0281)
OKLCH	oklch(23.1% 0.075 22)
XYZ	xyz(1.8516, 1.0921, 0.4610)
Luminance	0.0109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39090C #093936

analogous

#390924 #39090C #391E09

triadic

#39090C #0C3909 #090C39

tetradic

#39090C #243909 #093936 #1E0939

square

#39090C #243909 #093936 #1E0939

split-complementary

#39090C #09391E #092439

monochromatic

#1A0406 #1A0406 #39090C #6E1117 #A31A22

Accessibility & contrast

On white

17.24

#39090C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#39090C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39090C

17.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39090C	#FFFFFF	#000000	##FFFFFF
##39090C	1.00	17.24	1.22	17.24
#FFFFFF	17.24	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17140C

Deuteranopia (green-blind)

#231F0B

Tritanopia (blue-blind)

#40000B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #39090c;
/* rgb */ color: rgb(57, 9, 12);
/* oklch */ color: oklch(23.1% 0.075 22.0);

Tailwind

colors: {
  custom: {
    50: '#744c4c',
    500: '#39090c',
    950: '#000000',
  },
}

SCSS

$custom: #39090c;
$custom-light: #744c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#39090c",
  "rgb": {
    "r": 57,
    "g": 9,
    "b": 12
  },
  "hsl": {
    "h": 356.25,
    "s": 72.727,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23101,
    "c": 0.07487,
    "h": 22
  },
  "luminance": 0.01092
}

Semantic roles & 50–950 ramp

primary

#39090C

secondary

#277772

accent

#EFE438

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #39090C

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

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