#390D04#390D04

#390D04 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.5% C 0.072 H 34.6°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#390D04
RGB	rgb(57, 13, 4)
HSL	hsl(10, 87%, 12%)
HSV	hsv(10, 93%, 22%)
CMYK	cmyk(0%, 77.2%, 93%, 77.6%)
CIE-LAB	lab(10.31, 21.18, 14.31)
CIE-LCH	lch(10.31, 25.56, 34.04°)
OKLab	oklab(23.49% 0.0594 0.041)
OKLCH	oklch(23.49% 0.072 34.6)
XYZ	xyz(1.8534, 1.1667, 0.2425)
Luminance	0.0117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390D04 #043039

analogous

#390416 #390D04 #392804

triadic

#390D04 #04390D #0D0439

tetradic

#390D04 #163904 #043039 #280439

square

#390D04 #163904 #043039 #280439

split-complementary

#390D04 #043928 #041639

monochromatic

#1D0702 #1D0702 #390D04 #721A08 #AB270C

Accessibility & contrast

On white

17.03

#390D04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#390D04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390D04

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390D04	#FFFFFF	#000000	##FFFFFF
##390D04	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1603

Deuteranopia (green-blind)

#252003

Tritanopia (blue-blind)

#40020B

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #390d04;
/* rgb */ color: rgb(57, 13, 4);
/* oklch */ color: oklch(23.5% 0.072 34.6);

Tailwind

colors: {
  custom: {
    50: '#744e48',
    500: '#390d04',
    950: '#000000',
  },
}

SCSS

$custom: #390d04;
$custom-light: #744e48;
$custom-dark: #000000;

JSON

{
  "hex": "#390d04",
  "rgb": {
    "r": 57,
    "g": 13,
    "b": 4
  },
  "hsl": {
    "h": 10.189,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.23487,
    "c": 0.07216,
    "h": 34.6
  },
  "luminance": 0.01166
}

Semantic roles & 50–950 ramp

primary

#390D04

secondary

#1E6B7B

accent

#D9FD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090200

muted

#7B7877

Preview Lab

Preview with #390D04

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

Preview Lab → · Contrast checker → · Palette generator →