#39090A#39090A

#39090A is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.075 H 24.3°. Best body text is #FFFFFF at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#39090A
RGB	rgb(57, 9, 10)
HSL	hsl(359, 73%, 13%)
HSV	hsv(359, 84%, 22%)
CMYK	cmyk(0%, 84.2%, 82.5%, 77.6%)
CIE-LAB	lab(9.70, 23.48, 11.00)
CIE-LCH	lch(9.70, 25.93, 25.10°)
OKLab	oklab(23.06% 0.0685 0.0309)
OKLCH	oklch(23.06% 0.075 24.3)
XYZ	xyz(1.8400, 1.0874, 0.4001)
Luminance	0.0109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39090A #093938

analogous

#390922 #39090A #392009

triadic

#39090A #0A3909 #090A39

tetradic

#39090A #223909 #093938 #200939

square

#39090A #223909 #093938 #200939

split-complementary

#39090A #093920 #092239

monochromatic

#1A0405 #1A0405 #39090A #6E1113 #A31A1D

Accessibility & contrast

On white

17.25

#39090A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#39090A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39090A

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39090A	#FFFFFF	#000000	##FFFFFF
##39090A	1.00	17.25	1.22	17.25
#FFFFFF	17.25	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17140A

Deuteranopia (green-blind)

#231F08

Tritanopia (blue-blind)

#40000A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #39090a;
/* rgb */ color: rgb(57, 9, 10);
/* oklch */ color: oklch(23.1% 0.075 24.3);

Tailwind

colors: {
  custom: {
    50: '#744c4b',
    500: '#39090a',
    950: '#000000',
  },
}

SCSS

$custom: #39090a;
$custom-light: #744c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#39090a",
  "rgb": {
    "r": 57,
    "g": 9,
    "b": 10
  },
  "hsl": {
    "h": 358.75,
    "s": 72.727,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23062,
    "c": 0.07511,
    "h": 24.3
  },
  "luminance": 0.01087
}

Semantic roles & 50–950 ramp

primary

#39090A

secondary

#277775

accent

#EFEC38

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #39090A

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

Preview Lab → · Contrast checker → · Palette generator →