#39070A#39070A

#39070A is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.8% C 0.078 H 22.7°. Best body text is #FFFFFF at 17.37:1 contrast (WCAG AA passes).

Color values

HEX	#39070A
RGB	rgb(57, 7, 10)
HSL	hsl(356, 78%, 13%)
HSV	hsv(356, 88%, 22%)
CMYK	cmyk(0%, 87.7%, 82.5%, 77.6%)
CIE-LAB	lab(9.35, 24.45, 10.51)
CIE-LCH	lch(9.35, 26.61, 23.26°)
OKLab	oklab(22.8% 0.0715 0.03)
OKLCH	oklch(22.8% 0.078 22.7)
XYZ	xyz(1.8183, 1.0440, 0.3929)
Luminance	0.0104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39070A #073936

analogous

#390723 #39070A #391D07

triadic

#39070A #0A3907 #070A39

tetradic

#39070A #233907 #073936 #1D0739

square

#39070A #233907 #073936 #1D0739

split-complementary

#39070A #07391D #072339

monochromatic

#1B0305 #1B0305 #39070A #700E14 #A6141D

Accessibility & contrast

On white

17.37

#39070A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#39070A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39070A

17.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39070A	#FFFFFF	#000000	##FFFFFF
##39070A	1.00	17.37	1.21	17.37
#FFFFFF	17.37	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16130A

Deuteranopia (green-blind)

#221E08

Tritanopia (blue-blind)

#400009

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #39070a;
/* rgb */ color: rgb(57, 7, 10);
/* oklch */ color: oklch(22.8% 0.078 22.7);

Tailwind

colors: {
  custom: {
    50: '#744b4b',
    500: '#39070a',
    950: '#000000',
  },
}

SCSS

$custom: #39070a;
$custom-light: #744b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#39070a",
  "rgb": {
    "r": 57,
    "g": 7,
    "b": 10
  },
  "hsl": {
    "h": 356.4,
    "s": 78.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22804,
    "c": 0.07756,
    "h": 22.7
  },
  "luminance": 0.01044
}

Semantic roles & 50–950 ramp

primary

#39070A

secondary

#237973

accent

#F5E933

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #39070A

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

Preview Lab → · Contrast checker → · Palette generator →