#39040E#39040E

#39040E is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.5% C 0.081 H 16.1°. Best body text is #FFFFFF at 17.54:1 contrast (WCAG AA passes).

Color values

HEX	#39040E
RGB	rgb(57, 4, 14)
HSL	hsl(349, 87%, 12%)
HSV	hsv(349, 93%, 22%)
CMYK	cmyk(0%, 93%, 75.4%, 77.6%)
CIE-LAB	lab(8.90, 26.21, 8.03)
CIE-LCH	lch(8.90, 27.41, 17.04°)
OKLab	oklab(22.49% 0.0783 0.0226)
OKLCH	oklch(22.49% 0.081 16.1)
XYZ	xyz(1.8102, 0.9887, 0.5109)
Luminance	0.0099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39040E #04392F

analogous

#390429 #39040E #391504

triadic

#39040E #0E3904 #040E39

tetradic

#39040E #293904 #04392F #150439

square

#39040E #293904 #04392F #150439

split-complementary

#39040E #043915 #042939

monochromatic

#1D0207 #1D0207 #39040E #72081C #AB0C2A

Accessibility & contrast

On white

17.54

#39040E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#39040E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39040E

17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39040E	#FFFFFF	#000000	##FFFFFF
##39040E	1.00	17.54	1.20	17.54
#FFFFFF	17.54	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13120E

Deuteranopia (green-blind)

#211D0C

Tritanopia (blue-blind)

#400008

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #39040e;
/* rgb */ color: rgb(57, 4, 14);
/* oklch */ color: oklch(22.5% 0.081 16.1);

Tailwind

colors: {
  custom: {
    50: '#744a4d',
    500: '#39040e',
    950: '#000000',
  },
}

SCSS

$custom: #39040e;
$custom-light: #744a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#39040e",
  "rgb": {
    "r": 57,
    "g": 4,
    "b": 14
  },
  "hsl": {
    "h": 348.679,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22492,
    "c": 0.08147,
    "h": 16.1
  },
  "luminance": 0.00988
}

Semantic roles & 50–950 ramp

primary

#39040E

secondary

#1E7B69

accent

#FDD52B

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #39040E

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

Preview Lab → · Contrast checker → · Palette generator →