#390B03#390B03

#390B03 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.075 H 34.0°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#390B03
RGB	rgb(57, 11, 3)
HSL	hsl(9, 90%, 12%)
HSV	hsv(9, 95%, 22%)
CMYK	cmyk(0%, 80.7%, 94.7%, 77.6%)
CIE-LAB	lab(9.92, 22.12, 14.17)
CIE-LCH	lch(9.92, 26.27, 32.65°)
OKLab	oklab(23.19% 0.0619 0.0417)
OKLCH	oklch(23.19% 0.075 34)
XYZ	xyz(1.8237, 1.1161, 0.2055)
Luminance	0.0112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390B03 #033139

analogous

#390316 #390B03 #392603

triadic

#390B03 #03390B #0B0339

tetradic

#390B03 #163903 #033139 #260339

square

#390B03 #163903 #033139 #260339

split-complementary

#390B03 #033926 #031639

monochromatic

#1D0602 #1D0602 #390B03 #731606 #AD2109

Accessibility & contrast

On white

17.17

#390B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#390B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390B03

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390B03	#FFFFFF	#000000	##FFFFFF
##390B03	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191502

Deuteranopia (green-blind)

#241F02

Tritanopia (blue-blind)

#400009

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #390b03;
/* rgb */ color: rgb(57, 11, 3);
/* oklch */ color: oklch(23.2% 0.075 34.0);

Tailwind

colors: {
  custom: {
    50: '#744d48',
    500: '#390b03',
    950: '#000000',
  },
}

SCSS

$custom: #390b03;
$custom-light: #744d48;
$custom-dark: #000000;

JSON

{
  "hex": "#390b03",
  "rgb": {
    "r": 57,
    "g": 11,
    "b": 3
  },
  "hsl": {
    "h": 8.889,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.23191,
    "c": 0.07469,
    "h": 34
  },
  "luminance": 0.01116
}

Semantic roles & 50–950 ramp

primary

#390B03

secondary

#1C6E7C

accent

#DFFF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #390B03

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

Preview Lab → · Contrast checker → · Palette generator →