#390307#390307

#390307 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 22.2% C 0.083 H 22.9°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#390307
RGB	rgb(57, 3, 7)
HSL	hsl(356, 90%, 12%)
HSV	hsv(356, 95%, 22%)
CMYK	cmyk(0%, 94.7%, 87.7%, 77.6%)
CIE-LAB	lab(8.57, 26.32, 10.61)
CIE-LCH	lch(8.57, 28.38, 21.94°)
OKLab	oklab(22.21% 0.0766 0.0324)
OKLCH	oklch(22.21% 0.083 22.9)
XYZ	xyz(1.7585, 0.9506, 0.2919)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390307 #033935

analogous

#390322 #390307 #391A03

triadic

#390307 #073903 #030739

tetradic

#390307 #223903 #033935 #1A0339

square

#390307 #223903 #033935 #1A0339

split-complementary

#390307 #03391A #032239

monochromatic

#1D0204 #1D0204 #390307 #73060E #AD0915

Accessibility & contrast

On white

17.65

#390307 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#390307 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390307

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390307	#FFFFFF	#000000	##FFFFFF
##390307	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141107

Deuteranopia (green-blind)

#211D05

Tritanopia (blue-blind)

#400005

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #390307;
/* rgb */ color: rgb(57, 3, 7);
/* oklch */ color: oklch(22.2% 0.083 22.9);

Tailwind

colors: {
  custom: {
    50: '#74494a',
    500: '#390307',
    950: '#000000',
  },
}

SCSS

$custom: #390307;
$custom-light: #74494a;
$custom-dark: #000000;

JSON

{
  "hex": "#390307",
  "rgb": {
    "r": 57,
    "g": 3,
    "b": 7
  },
  "hsl": {
    "h": 355.556,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22208,
    "c": 0.0832,
    "h": 22.9
  },
  "luminance": 0.0095
}

Semantic roles & 50–950 ramp

primary

#390307

secondary

#1C7C75

accent

#FFEF29

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #390307

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

Preview Lab → · Contrast checker → · Palette generator →