#390804#390804

#390804 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 22.8% C 0.078 H 30.3°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#390804
RGB	rgb(57, 8, 4)
HSL	hsl(5, 87%, 12%)
HSV	hsv(5, 93%, 22%)
CMYK	cmyk(0%, 86%, 93%, 77.6%)
CIE-LAB	lab(9.42, 23.61, 13.05)
CIE-LCH	lch(9.42, 26.97, 28.94°)
OKLab	oklab(22.82% 0.0669 0.0391)
OKLCH	oklch(22.82% 0.078 30.3)
XYZ	xyz(1.7963, 1.0526, 0.2234)
Luminance	0.0105 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#390804 #043539

analogous

#39041B #390804 #392304

triadic

#390804 #043908 #080439

tetradic

#390804 #1B3904 #043539 #230439

square

#390804 #1B3904 #043539 #230439

split-complementary

#390804 #043923 #041B39

monochromatic

#1D0402 #1D0402 #390804 #721008 #AB180C

Accessibility & contrast

On white

17.35

#390804 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#390804 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390804

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##390804	#FFFFFF	#000000	##FFFFFF
##390804	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171303

Deuteranopia (green-blind)

#231E03

Tritanopia (blue-blind)

#400007

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #390804;
/* rgb */ color: rgb(57, 8, 4);
/* oklch */ color: oklch(22.8% 0.078 30.3);

Tailwind

colors: {
  custom: {
    50: '#744c48',
    500: '#390804',
    950: '#000000',
  },
}

SCSS

$custom: #390804;
$custom-light: #744c48;
$custom-dark: #000000;

JSON

{
  "hex": "#390804",
  "rgb": {
    "r": 57,
    "g": 8,
    "b": 4
  },
  "hsl": {
    "h": 4.528,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22822,
    "c": 0.07753,
    "h": 30.3
  },
  "luminance": 0.01052
}

Semantic roles & 50–950 ramp

primary

#390804

secondary

#1E747B

accent

#EDFD2B

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #390804

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

Preview Lab → · Contrast checker → · Palette generator →