#390803#390803

#390803 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 22.8% C 0.078 H 31.5°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#390803
RGB	rgb(57, 8, 3)
HSL	hsl(6, 90%, 12%)
HSV	hsv(6, 95%, 22%)
CMYK	cmyk(0%, 86%, 94.7%, 77.6%)
CIE-LAB	lab(9.40, 23.55, 13.43)
CIE-LCH	lch(9.40, 27.11, 29.70°)
OKLab	oklab(22.8% 0.0664 0.0407)
OKLCH	oklch(22.8% 0.078 31.5)
XYZ	xyz(1.7908, 1.0504, 0.1946)
Luminance	0.0105 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390803 #033439

analogous

#390319 #390803 #392303

triadic

#390803 #033908 #080339

tetradic

#390803 #193903 #033439 #230339

square

#390803 #193903 #033439 #230339

split-complementary

#390803 #033923 #031939

monochromatic

#1D0402 #1D0402 #390803 #731006 #AD1809

Accessibility & contrast

On white

17.36

#390803 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#390803 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390803

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390803	#FFFFFF	#000000	##FFFFFF
##390803	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171302

Deuteranopia (green-blind)

#231E02

Tritanopia (blue-blind)

#400007

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #390803;
/* rgb */ color: rgb(57, 8, 3);
/* oklch */ color: oklch(22.8% 0.078 31.5);

Tailwind

colors: {
  custom: {
    50: '#744c48',
    500: '#390803',
    950: '#000000',
  },
}

SCSS

$custom: #390803;
$custom-light: #744c48;
$custom-dark: #000000;

JSON

{
  "hex": "#390803",
  "rgb": {
    "r": 57,
    "g": 8,
    "b": 3
  },
  "hsl": {
    "h": 5.556,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22803,
    "c": 0.07785,
    "h": 31.5
  },
  "luminance": 0.0105
}

Semantic roles & 50–950 ramp

primary

#390803

secondary

#1C737C

accent

#EBFF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #390803

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

Preview Lab → · Contrast checker → · Palette generator →