#390F04#390F04

#390F04 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.8% C 0.070 H 36.7°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#390F04
RGB	rgb(57, 15, 4)
HSL	hsl(12, 87%, 12%)
HSV	hsv(12, 93%, 22%)
CMYK	cmyk(0%, 73.7%, 93%, 77.6%)
CIE-LAB	lab(10.71, 20.11, 14.87)
CIE-LCH	lch(10.71, 25.01, 36.48°)
OKLab	oklab(23.79% 0.0561 0.0418)
OKLCH	oklch(23.79% 0.07 36.7)
XYZ	xyz(1.8803, 1.2205, 0.2514)
Luminance	0.0122 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390F04 #042E39

analogous

#390414 #390F04 #392A04

triadic

#390F04 #04390F #0F0439

tetradic

#390F04 #143904 #042E39 #2A0439

square

#390F04 #143904 #042E39 #2A0439

split-complementary

#390F04 #04392A #041439

monochromatic

#1D0802 #1D0802 #390F04 #721E08 #AB2D0C

Accessibility & contrast

On white

16.88

#390F04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#390F04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390F04

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390F04	#FFFFFF	#000000	##FFFFFF
##390F04	1.00	16.88	1.24	16.88
#FFFFFF	16.88	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1703

Deuteranopia (green-blind)

#252003

Tritanopia (blue-blind)

#40050D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #390f04;
/* rgb */ color: rgb(57, 15, 4);
/* oklch */ color: oklch(23.8% 0.070 36.7);

Tailwind

colors: {
  custom: {
    50: '#734f48',
    500: '#390f04',
    950: '#000000',
  },
}

SCSS

$custom: #390f04;
$custom-light: #734f48;
$custom-dark: #000000;

JSON

{
  "hex": "#390f04",
  "rgb": {
    "r": 57,
    "g": 15,
    "b": 4
  },
  "hsl": {
    "h": 12.453,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.23786,
    "c": 0.06995,
    "h": 36.7
  },
  "luminance": 0.0122
}

Semantic roles & 50–950 ramp

primary

#390F04

secondary

#1E687B

accent

#D1FD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090200

muted

#7B7877

Preview Lab

Preview with #390F04

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

Preview Lab → · Contrast checker → · Palette generator →