#3D090B#3D090B

#3D090B is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.080 H 23.8°. Best body text is #FFFFFF at 16.90:1 contrast (WCAG AA passes).

Color values

HEX	#3D090B
RGB	rgb(61, 9, 11)
HSL	hsl(358, 74%, 14%)
HSV	hsv(358, 85%, 24%)
CMYK	cmyk(0%, 85.2%, 82%, 76.1%)
CIE-LAB	lab(10.65, 25.07, 12.05)
CIE-LCH	lch(10.65, 27.81, 25.67°)
OKLab	oklab(23.94% 0.0731 0.0322)
OKLCH	oklch(23.94% 0.08 23.8)
XYZ	xyz(2.0828, 1.2120, 0.4408)
Luminance	0.0121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D090B #093D3B

analogous

#3D0925 #3D090B #3D2109

triadic

#3D090B #0B3D09 #090B3D

tetradic

#3D090B #253D09 #093D3B #21093D

square

#3D090B #253D09 #093D3B #21093D

split-complementary

#3D090B #093D21 #09253D

monochromatic

#1B0405 #1B0405 #3D090B #721115 #A8191E

Accessibility & contrast

On white

16.90

#3D090B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3D090B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D090B

16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D090B	#FFFFFF	#000000	##FFFFFF
##3D090B	1.00	16.90	1.24	16.90
#FFFFFF	16.90	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18160B

Deuteranopia (green-blind)

#252109

Tritanopia (blue-blind)

#44000A

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3d090b;
/* rgb */ color: rgb(61, 9, 11);
/* oklch */ color: oklch(23.9% 0.080 23.8);

Tailwind

colors: {
  custom: {
    50: '#774d4b',
    500: '#3d090b',
    950: '#000000',
  },
}

SCSS

$custom: #3d090b;
$custom-light: #774d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3d090b",
  "rgb": {
    "r": 61,
    "g": 9,
    "b": 11
  },
  "hsl": {
    "h": 357.692,
    "s": 74.286,
    "l": 13.725
  },
  "oklch": {
    "l": 0.2394,
    "c": 0.07991,
    "h": 23.8
  },
  "luminance": 0.01212
}

Semantic roles & 50–950 ramp

primary

#3D090B

secondary

#277B78

accent

#F1EA37

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3D090B

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

Preview Lab → · Contrast checker → · Palette generator →