#39090D#39090D

#39090D is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.075 H 20.9°. Best body text is #FFFFFF at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#39090D
RGB	rgb(57, 9, 13)
HSL	hsl(355, 73%, 13%)
HSV	hsv(355, 84%, 22%)
CMYK	cmyk(0%, 84.2%, 77.2%, 77.6%)
CIE-LAB	lab(9.76, 23.67, 9.75)
CIE-LCH	lch(9.76, 25.60, 22.39°)
OKLab	oklab(23.12% 0.0699 0.0267)
OKLCH	oklch(23.12% 0.075 20.9)
XYZ	xyz(1.8579, 1.0946, 0.4941)
Luminance	0.0109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39090D #093935

analogous

#390925 #39090D #391D09

triadic

#39090D #0D3909 #090D39

tetradic

#39090D #253909 #093935 #1D0939

square

#39090D #253909 #093935 #1D0939

split-complementary

#39090D #09391D #092539

monochromatic

#1A0406 #1A0406 #39090D #6E1119 #A31A25

Accessibility & contrast

On white

17.23

#39090D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#39090D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39090D

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39090D	#FFFFFF	#000000	##FFFFFF
##39090D	1.00	17.23	1.22	17.23
#FFFFFF	17.23	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140D

Deuteranopia (green-blind)

#231F0C

Tritanopia (blue-blind)

#3F000B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #39090d;
/* rgb */ color: rgb(57, 9, 13);
/* oklch */ color: oklch(23.1% 0.075 20.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#39090d",
  "rgb": {
    "r": 57,
    "g": 9,
    "b": 13
  },
  "hsl": {
    "h": 355,
    "s": 72.727,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23122,
    "c": 0.07478,
    "h": 20.9
  },
  "luminance": 0.01094
}

Semantic roles & 50–950 ramp

primary

#39090D

secondary

#277770

accent

#EFE038

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #39090D

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

Preview Lab → · Contrast checker → · Palette generator →