#390309#390309

#390309 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.2% C 0.083 H 20.8°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#390309
RGB	rgb(57, 3, 9)
HSL	hsl(353, 90%, 12%)
HSV	hsv(353, 95%, 22%)
CMYK	cmyk(0%, 94.7%, 84.2%, 77.6%)
CIE-LAB	lab(8.61, 26.43, 9.85)
CIE-LCH	lch(8.61, 28.21, 20.43°)
OKLab	oklab(22.25% 0.0776 0.0295)
OKLCH	oklch(22.25% 0.083 20.8)
XYZ	xyz(1.7694, 0.9550, 0.3496)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390309 #033933

analogous

#390324 #390309 #391803

triadic

#390309 #093903 #030939

tetradic

#390309 #243903 #033933 #180339

square

#390309 #243903 #033933 #180339

split-complementary

#390309 #033918 #032439

monochromatic

#1D0205 #1D0205 #390309 #730612 #AD091B

Accessibility & contrast

On white

17.63

#390309 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#390309 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390309

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390309	#FFFFFF	#000000	##FFFFFF
##390309	1.00	17.63	1.19	17.63
#FFFFFF	17.63	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131109

Deuteranopia (green-blind)

#211D07

Tritanopia (blue-blind)

#400005

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #390309;
/* rgb */ color: rgb(57, 3, 9);
/* oklch */ color: oklch(22.2% 0.083 20.8);

Tailwind

colors: {
  custom: {
    50: '#74494a',
    500: '#390309',
    950: '#000000',
  },
}

SCSS

$custom: #390309;
$custom-light: #74494a;
$custom-dark: #000000;

JSON

{
  "hex": "#390309",
  "rgb": {
    "r": 57,
    "g": 3,
    "b": 9
  },
  "hsl": {
    "h": 353.333,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22248,
    "c": 0.08302,
    "h": 20.8
  },
  "luminance": 0.00955
}

Semantic roles & 50–950 ramp

primary

#390309

secondary

#1C7C71

accent

#FFE729

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #390309

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

Preview Lab → · Contrast checker → · Palette generator →