#39030C#39030C

#39030C is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.3% C 0.083 H 17.7°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#39030C
RGB	rgb(57, 3, 12)
HSL	hsl(350, 90%, 12%)
HSV	hsv(350, 95%, 22%)
CMYK	cmyk(0%, 94.7%, 78.9%, 77.6%)
CIE-LAB	lab(8.67, 26.61, 8.66)
CIE-LCH	lch(8.67, 27.98, 18.03°)
OKLab	oklab(22.31% 0.079 0.0251)
OKLCH	oklch(22.31% 0.083 17.7)
XYZ	xyz(1.7865, 0.9618, 0.4393)
Luminance	0.0096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39030C #033930

analogous

#390327 #39030C #391503

triadic

#39030C #0C3903 #030C39

tetradic

#39030C #273903 #033930 #150339

square

#39030C #273903 #033930 #150339

split-complementary

#39030C #033915 #032739

monochromatic

#1D0206 #1D0206 #39030C #730618 #AD0924

Accessibility & contrast

On white

17.61

#39030C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#39030C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39030C

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39030C	#FFFFFF	#000000	##FFFFFF
##39030C	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13110C

Deuteranopia (green-blind)

#211D0A

Tritanopia (blue-blind)

#400006

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #39030c;
/* rgb */ color: rgb(57, 3, 12);
/* oklch */ color: oklch(22.3% 0.083 17.7);

Tailwind

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

SCSS

$custom: #39030c;
$custom-light: #74494c;
$custom-dark: #000000;

JSON

{
  "hex": "#39030c",
  "rgb": {
    "r": 57,
    "g": 3,
    "b": 12
  },
  "hsl": {
    "h": 350,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.2231,
    "c": 0.08291,
    "h": 17.7
  },
  "luminance": 0.00962
}

Semantic roles & 50–950 ramp

primary

#39030C

secondary

#1C7C6C

accent

#FFDB29

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #39030C

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

Preview Lab → · Contrast checker → · Palette generator →