#3D151B#3D151B

#3D151B is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.0% C 0.063 H 13.4°. Best body text is #FFFFFF at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#3D151B
RGB	rgb(61, 21, 27)
HSL	hsl(351, 49%, 16%)
HSV	hsv(351, 66%, 24%)
CMYK	cmyk(0%, 65.6%, 55.7%, 76.1%)
CIE-LAB	lab(13.28, 20.30, 5.71)
CIE-LCH	lch(13.28, 21.09, 15.71°)
OKLab	oklab(26.03% 0.0613 0.0146)
OKLCH	oklch(26.03% 0.063 13.4)
XYZ	xyz(2.3906, 1.6078, 1.2211)
Luminance	0.0161 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D151B #153D37

analogous

#3D152F #3D151B #3D2315

triadic

#3D151B #1B3D15 #151B3D

tetradic

#3D151B #2F3D15 #153D37 #23153D

square

#3D151B #2F3D15 #153D37 #23153D

split-complementary

#3D151B #153D23 #152F3D

monochromatic

#17080A #17080A #3D151B #6B252F #983443

Accessibility & contrast

On white

15.89

#3D151B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#3D151B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D151B

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D151B	#FFFFFF	#000000	##FFFFFF
##3D151B	1.00	15.89	1.32	15.89
#FFFFFF	15.89	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1D1B

Deuteranopia (green-blind)

#28251A

Tritanopia (blue-blind)

#430F17

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3d151b;
/* rgb */ color: rgb(61, 21, 27);
/* oklch */ color: oklch(26.0% 0.063 13.4);

Tailwind

colors: {
  custom: {
    50: '#755457',
    500: '#3d151b',
    950: '#000000',
  },
}

SCSS

$custom: #3d151b;
$custom-light: #755457;
$custom-dark: #000000;

JSON

{
  "hex": "#3d151b",
  "rgb": {
    "r": 61,
    "g": 21,
    "b": 27
  },
  "hsl": {
    "h": 351,
    "s": 48.78,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26028,
    "c": 0.06305,
    "h": 13.4
  },
  "luminance": 0.01608
}

Semantic roles & 50–950 ramp

primary

#3D151B

secondary

#39756C

accent

#D8C44F

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #3D151B

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

Preview Lab → · Contrast checker → · Palette generator →