#43151B#43151B

#43151B is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.1% C 0.071 H 15.4°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#43151B
RGB	rgb(67, 21, 27)
HSL	hsl(352, 52%, 17%)
HSV	hsv(352, 69%, 26%)
CMYK	cmyk(0%, 68.7%, 59.7%, 73.7%)
CIE-LAB	lab(14.45, 22.81, 7.51)
CIE-LCH	lch(14.45, 24.02, 18.23°)
OKLab	oklab(27.14% 0.0687 0.0189)
OKLCH	oklch(27.14% 0.071 15.4)
XYZ	xyz(2.7810, 1.8091, 1.2394)
Luminance	0.0181 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43151B #15433D

analogous

#431532 #43151B #432615

triadic

#43151B #1B4315 #151B43

tetradic

#43151B #324315 #15433D #261543

square

#43151B #324315 #15433D #261543

split-complementary

#43151B #154326 #153243

monochromatic

#170709 #170709 #43151B #72242E #A03241

Accessibility & contrast

On white

15.42

#43151B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#43151B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43151B

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43151B	#FFFFFF	#000000	##FFFFFF
##43151B	1.00	15.42	1.36	15.42
#FFFFFF	15.42	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201F1B

Deuteranopia (green-blind)

#2B281A

Tritanopia (blue-blind)

#4A0D17

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #43151b;
/* rgb */ color: rgb(67, 21, 27);
/* oklch */ color: oklch(27.1% 0.071 15.4);

Tailwind

colors: {
  custom: {
    50: '#7b5557',
    500: '#43151b',
    950: '#000000',
  },
}

SCSS

$custom: #43151b;
$custom-light: #7b5557;
$custom-dark: #000000;

JSON

{
  "hex": "#43151b",
  "rgb": {
    "r": 67,
    "g": 21,
    "b": 27
  },
  "hsl": {
    "h": 352.174,
    "s": 52.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.27137,
    "c": 0.0712,
    "h": 15.4
  },
  "luminance": 0.01809
}

Semantic roles & 50–950 ramp

primary

#43151B

secondary

#397B72

accent

#DCC94C

background

#F7F5F5

surface

#EEE9E9

border

#C9C5C5

text

#0A0303

muted

#7C7878

Preview Lab

Preview with #43151B

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

Preview Lab → · Contrast checker → · Palette generator →