#390403#390403

#390403 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.3% C 0.083 H 28.4°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#390403
RGB	rgb(57, 4, 3)
HSL	hsl(1, 90%, 12%)
HSV	hsv(1, 95%, 22%)
CMYK	cmyk(0%, 93%, 94.7%, 77.6%)
CIE-LAB	lab(8.68, 25.57, 12.40)
CIE-LCH	lch(8.68, 28.41, 25.87°)
OKLab	oklab(22.27% 0.0727 0.0393)
OKLCH	oklch(22.27% 0.083 28.4)
XYZ	xyz(1.7474, 0.9636, 0.1801)
Luminance	0.0096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390403 #033839

analogous

#39031D #390403 #391F03

triadic

#390403 #033904 #040339

tetradic

#390403 #1D3903 #033839 #1F0339

square

#390403 #1D3903 #033839 #1F0339

split-complementary

#390403 #03391F #031D39

monochromatic

#1D0202 #1D0202 #390403 #730806 #AD0C09

Accessibility & contrast

On white

17.61

#390403 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#390403 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390403

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390403	#FFFFFF	#000000	##FFFFFF
##390403	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)

#151102

Deuteranopia (green-blind)

#221D01

Tritanopia (blue-blind)

#400004

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #390403;
/* rgb */ color: rgb(57, 4, 3);
/* oklch */ color: oklch(22.3% 0.083 28.4);

Tailwind

colors: {
  custom: {
    50: '#744a48',
    500: '#390403',
    950: '#000000',
  },
}

SCSS

$custom: #390403;
$custom-light: #744a48;
$custom-dark: #000000;

JSON

{
  "hex": "#390403",
  "rgb": {
    "r": 57,
    "g": 4,
    "b": 3
  },
  "hsl": {
    "h": 1.111,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22267,
    "c": 0.08259,
    "h": 28.4
  },
  "luminance": 0.00963
}

Semantic roles & 50–950 ramp

primary

#390403

secondary

#1C7A7C

accent

#FBFF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #390403

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

Preview Lab → · Contrast checker → · Palette generator →