#390B04#390B04

#390B04 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.074 H 32.7°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#390B04
RGB	rgb(57, 11, 4)
HSL	hsl(8, 87%, 12%)
HSV	hsv(8, 93%, 22%)
CMYK	cmyk(0%, 80.7%, 93%, 77.6%)
CIE-LAB	lab(9.94, 22.18, 13.78)
CIE-LCH	lch(9.94, 26.11, 31.86°)
OKLab	oklab(23.21% 0.0625 0.0402)
OKLCH	oklch(23.21% 0.074 32.7)
XYZ	xyz(1.8291, 1.1182, 0.2344)
Luminance	0.0112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390B04 #043239

analogous

#390418 #390B04 #392604

triadic

#390B04 #04390B #0B0439

tetradic

#390B04 #183904 #043239 #260439

square

#390B04 #183904 #043239 #260439

split-complementary

#390B04 #043926 #041839

monochromatic

#1D0602 #1D0602 #390B04 #721608 #AB210C

Accessibility & contrast

On white

17.16

#390B04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#390B04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390B04

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390B04	#FFFFFF	#000000	##FFFFFF
##390B04	1.00	17.16	1.22	17.16
#FFFFFF	17.16	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191503

Deuteranopia (green-blind)

#241F03

Tritanopia (blue-blind)

#400009

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #390b04;
/* rgb */ color: rgb(57, 11, 4);
/* oklch */ color: oklch(23.2% 0.074 32.7);

Tailwind

colors: {
  custom: {
    50: '#744d48',
    500: '#390b04',
    950: '#000000',
  },
}

SCSS

$custom: #390b04;
$custom-light: #744d48;
$custom-dark: #000000;

JSON

{
  "hex": "#390b04",
  "rgb": {
    "r": 57,
    "g": 11,
    "b": 4
  },
  "hsl": {
    "h": 7.925,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.23209,
    "c": 0.07431,
    "h": 32.7
  },
  "luminance": 0.01118
}

Semantic roles & 50–950 ramp

primary

#390B04

secondary

#1E6F7B

accent

#E1FD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #390B04

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

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