#390A0A#390A0A

#390A0A is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.074 H 25.0°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#390A0A
RGB	rgb(57, 10, 10)
HSL	hsl(0, 70%, 13%)
HSV	hsv(0, 82%, 22%)
CMYK	cmyk(0%, 82.5%, 82.5%, 77.6%)
CIE-LAB	lab(9.87, 23.01, 11.24)
CIE-LCH	lch(9.87, 25.61, 26.03°)
OKLab	oklab(23.19% 0.067 0.0313)
OKLCH	oklch(23.19% 0.074 25)
XYZ	xyz(1.8509, 1.1091, 0.4037)
Luminance	0.0111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390A0A #0A3939

analogous

#390A21 #390A0A #39210A

triadic

#390A0A #0A390A #0A0A39

tetradic

#390A0A #21390A #0A3939 #210A39

square

#390A0A #21390A #0A3939 #210A39

split-complementary

#390A0A #0A3921 #0A2139

monochromatic

#1A0505 #1A0505 #390A0A #6D1313 #A11C1C

Accessibility & contrast

On white

17.19

#390A0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#390A0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390A0A

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390A0A	#FFFFFF	#000000	##FFFFFF
##390A0A	1.00	17.19	1.22	17.19
#FFFFFF	17.19	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17150A

Deuteranopia (green-blind)

#231F09

Tritanopia (blue-blind)

#40000B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #390a0a;
/* rgb */ color: rgb(57, 10, 10);
/* oklch */ color: oklch(23.2% 0.074 25.0);

Tailwind

colors: {
  custom: {
    50: '#744d4b',
    500: '#390a0a',
    950: '#000000',
  },
}

SCSS

$custom: #390a0a;
$custom-light: #744d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#390a0a",
  "rgb": {
    "r": 57,
    "g": 10,
    "b": 10
  },
  "hsl": {
    "h": 0,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23189,
    "c": 0.07394,
    "h": 25
  },
  "luminance": 0.01109
}

Semantic roles & 50–950 ramp

primary

#390A0A

secondary

#287676

accent

#EDED3B

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #390A0A

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

Preview Lab → · Contrast checker → · Palette generator →