#390604#390604

#390604 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.6% C 0.080 H 28.7°. Best body text is #FFFFFF at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#390604
RGB	rgb(57, 6, 4)
HSL	hsl(2, 87%, 12%)
HSV	hsv(2, 93%, 22%)
CMYK	cmyk(0%, 89.5%, 93%, 77.6%)
CIE-LAB	lab(9.07, 24.59, 12.54)
CIE-LCH	lch(9.07, 27.61, 27.02°)
OKLab	oklab(22.56% 0.07 0.0384)
OKLCH	oklch(22.56% 0.08 28.7)
XYZ	xyz(1.7746, 1.0092, 0.2162)
Luminance	0.0101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390604 #043739

analogous

#39041D #390604 #392104

triadic

#390604 #043906 #060439

tetradic

#390604 #1D3904 #043739 #210439

square

#390604 #1D3904 #043739 #210439

split-complementary

#390604 #043921 #041D39

monochromatic

#1D0302 #1D0302 #390604 #720C08 #AB120C

Accessibility & contrast

On white

17.47

#390604 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#390604 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390604

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390604	#FFFFFF	#000000	##FFFFFF
##390604	1.00	17.47	1.20	17.47
#FFFFFF	17.47	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161203

Deuteranopia (green-blind)

#221E03

Tritanopia (blue-blind)

#400006

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #390604;
/* rgb */ color: rgb(57, 6, 4);
/* oklch */ color: oklch(22.6% 0.080 28.7);

Tailwind

colors: {
  custom: {
    50: '#744b48',
    500: '#390604',
    950: '#000000',
  },
}

SCSS

$custom: #390604;
$custom-light: #744b48;
$custom-dark: #000000;

JSON

{
  "hex": "#390604",
  "rgb": {
    "r": 57,
    "g": 6,
    "b": 4
  },
  "hsl": {
    "h": 2.264,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22557,
    "c": 0.07986,
    "h": 28.7
  },
  "luminance": 0.01009
}

Semantic roles & 50–950 ramp

primary

#390604

secondary

#1E777B

accent

#F5FD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #390604

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

Preview Lab → · Contrast checker → · Palette generator →