#390A04#390A04

#390A04 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.1% C 0.075 H 31.9°. Best body text is #FFFFFF at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#390A04
RGB	rgb(57, 10, 4)
HSL	hsl(7, 87%, 12%)
HSV	hsv(7, 93%, 22%)
CMYK	cmyk(0%, 82.5%, 93%, 77.6%)
CIE-LAB	lab(9.77, 22.65, 13.54)
CIE-LCH	lch(9.77, 26.39, 30.87°)
OKLab	oklab(23.08% 0.064 0.0398)
OKLCH	oklch(23.08% 0.075 31.9)
XYZ	xyz(1.8180, 1.0960, 0.2307)
Luminance	0.0110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390A04 #043339

analogous

#390419 #390A04 #392504

triadic

#390A04 #04390A #0A0439

tetradic

#390A04 #193904 #043339 #250439

square

#390A04 #193904 #043339 #250439

split-complementary

#390A04 #043925 #041939

monochromatic

#1D0502 #1D0502 #390A04 #721408 #AB1E0C

Accessibility & contrast

On white

17.22

#390A04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#390A04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390A04

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390A04	#FFFFFF	#000000	##FFFFFF
##390A04	1.00	17.22	1.22	17.22
#FFFFFF	17.22	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181403

Deuteranopia (green-blind)

#241F03

Tritanopia (blue-blind)

#400009

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #390a04;
/* rgb */ color: rgb(57, 10, 4);
/* oklch */ color: oklch(23.1% 0.075 31.9);

Tailwind

colors: {
  custom: {
    50: '#744d48',
    500: '#390a04',
    950: '#000000',
  },
}

SCSS

$custom: #390a04;
$custom-light: #744d48;
$custom-dark: #000000;

JSON

{
  "hex": "#390a04",
  "rgb": {
    "r": 57,
    "g": 10,
    "b": 4
  },
  "hsl": {
    "h": 6.792,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.23079,
    "c": 0.07537,
    "h": 31.9
  },
  "luminance": 0.01096
}

Semantic roles & 50–950 ramp

primary

#390A04

secondary

#1E707B

accent

#E5FD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #390A04

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

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