#390D0B#390D0B

#390D0B is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.6% C 0.070 H 26.5°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#390D0B
RGB	rgb(57, 13, 11)
HSL	hsl(3, 68%, 13%)
HSV	hsv(3, 81%, 22%)
CMYK	cmyk(0%, 77.2%, 80.7%, 77.6%)
CIE-LAB	lab(10.42, 21.61, 11.61)
CIE-LCH	lch(10.42, 24.53, 28.25°)
OKLab	oklab(23.61% 0.0628 0.0314)
OKLCH	oklch(23.61% 0.07 26.5)
XYZ	xyz(1.8919, 1.1821, 0.4451)
Luminance	0.0118 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390D0B #0B3739

analogous

#390B20 #390D0B #39240B

triadic

#390D0B #0B390D #0D0B39

tetradic

#390D0B #20390B #0B3739 #240B39

square

#390D0B #20390B #0B3739 #240B39

split-complementary

#390D0B #0B3924 #0B2039

monochromatic

#1A0605 #1A0605 #390D0B #6C1915 #A0241F

Accessibility & contrast

On white

16.98

#390D0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#390D0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390D0B

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390D0B	#FFFFFF	#000000	##FFFFFF
##390D0B	1.00	16.98	1.24	16.98
#FFFFFF	16.98	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19160A

Deuteranopia (green-blind)

#24200A

Tritanopia (blue-blind)

#3F030D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #390d0b;
/* rgb */ color: rgb(57, 13, 11);
/* oklch */ color: oklch(23.6% 0.070 26.5);

Tailwind

colors: {
  custom: {
    50: '#734e4b',
    500: '#390d0b',
    950: '#000000',
  },
}

SCSS

$custom: #390d0b;
$custom-light: #734e4b;
$custom-dark: #000000;

JSON

{
  "hex": "#390d0b",
  "rgb": {
    "r": 57,
    "g": 13,
    "b": 11
  },
  "hsl": {
    "h": 2.609,
    "s": 67.647,
    "l": 13.333
  },
  "oklch": {
    "l": 0.2361,
    "c": 0.0702,
    "h": 26.5
  },
  "luminance": 0.01182
}

Semantic roles & 50–950 ramp

primary

#390D0B

secondary

#2A7276

accent

#E3EB3D

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #390D0B

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

Preview Lab → · Contrast checker → · Palette generator →