#39030A#39030A

#39030A is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.3% C 0.083 H 19.8°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#39030A
RGB	rgb(57, 3, 10)
HSL	hsl(352, 90%, 12%)
HSV	hsv(352, 95%, 22%)
CMYK	cmyk(0%, 94.7%, 82.5%, 77.6%)
CIE-LAB	lab(8.63, 26.49, 9.47)
CIE-LCH	lch(8.63, 28.13, 19.66°)
OKLab	oklab(22.27% 0.0781 0.028)
OKLCH	oklch(22.27% 0.083 19.8)
XYZ	xyz(1.7749, 0.9572, 0.3784)
Luminance	0.0096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39030A #033932

analogous

#390325 #39030A #391703

triadic

#39030A #0A3903 #030A39

tetradic

#39030A #253903 #033932 #170339

square

#39030A #253903 #033932 #170339

split-complementary

#39030A #033917 #032539

monochromatic

#1D0205 #1D0205 #39030A #730614 #AD091E

Accessibility & contrast

On white

17.63

#39030A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#39030A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39030A

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39030A	#FFFFFF	#000000	##FFFFFF
##39030A	1.00	17.63	1.19	17.63
#FFFFFF	17.63	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13110A

Deuteranopia (green-blind)

#211D08

Tritanopia (blue-blind)

#400006

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #39030a;
/* rgb */ color: rgb(57, 3, 10);
/* oklch */ color: oklch(22.3% 0.083 19.8);

Tailwind

colors: {
  custom: {
    50: '#74494b',
    500: '#39030a',
    950: '#000000',
  },
}

SCSS

$custom: #39030a;
$custom-light: #74494b;
$custom-dark: #000000;

JSON

{
  "hex": "#39030a",
  "rgb": {
    "r": 57,
    "g": 3,
    "b": 10
  },
  "hsl": {
    "h": 352.222,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22268,
    "c": 0.08296,
    "h": 19.8
  },
  "luminance": 0.00957
}

Semantic roles & 50–950 ramp

primary

#39030A

secondary

#1C7C6F

accent

#FFE329

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #39030A

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

Preview Lab → · Contrast checker → · Palette generator →