#391003#391003

#391003 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.069 H 39.0°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#391003
RGB	rgb(57, 16, 3)
HSL	hsl(14, 90%, 12%)
HSV	hsv(14, 95%, 22%)
CMYK	cmyk(0%, 71.9%, 94.7%, 77.6%)
CIE-LAB	lab(10.90, 19.49, 15.54)
CIE-LCH	lch(10.90, 24.93, 38.58°)
OKLab	oklab(23.93% 0.0539 0.0437)
OKLCH	oklch(23.93% 0.069 39)
XYZ	xyz(1.8893, 1.2473, 0.2274)
Luminance	0.0125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391003 #032C39

analogous

#390311 #391003 #392B03

triadic

#391003 #033910 #100339

tetradic

#391003 #113903 #032C39 #2B0339

square

#391003 #113903 #032C39 #2B0339

split-complementary

#391003 #03392B #031139

monochromatic

#1D0802 #1D0802 #391003 #732006 #AD3109

Accessibility & contrast

On white

16.81

#391003 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#391003 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391003

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391003	#FFFFFF	#000000	##FFFFFF
##391003	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1802

Deuteranopia (green-blind)

#262102

Tritanopia (blue-blind)

#40060D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #391003;
/* rgb */ color: rgb(57, 16, 3);
/* oklch */ color: oklch(23.9% 0.069 39.0);

Tailwind

colors: {
  custom: {
    50: '#735048',
    500: '#391003',
    950: '#000000',
  },
}

SCSS

$custom: #391003;
$custom-light: #735048;
$custom-dark: #000000;

JSON

{
  "hex": "#391003",
  "rgb": {
    "r": 57,
    "g": 16,
    "b": 3
  },
  "hsl": {
    "h": 14.444,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.23928,
    "c": 0.06933,
    "h": 39
  },
  "luminance": 0.01247
}

Semantic roles & 50–950 ramp

primary

#391003

secondary

#1C657C

accent

#CBFF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090200

muted

#7B7877

Preview Lab

Preview with #391003

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

Preview Lab → · Contrast checker → · Palette generator →