#43180B#43180B

#43180B is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.3% C 0.070 H 37.3°. Best body text is #FFFFFF at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#43180B
RGB	rgb(67, 24, 11)
HSL	hsl(14, 72%, 15%)
HSV	hsv(14, 84%, 26%)
CMYK	cmyk(0%, 64.2%, 83.6%, 73.7%)
CIE-LAB	lab(14.80, 19.86, 17.85)
CIE-LCH	lch(14.80, 26.70, 41.95°)
OKLab	oklab(27.3% 0.056 0.0427)
OKLCH	oklch(27.3% 0.07 37.3)
XYZ	xyz(2.7021, 1.8711, 0.5354)
Luminance	0.0187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43180B #0B3643

analogous

#430B1A #43180B #43340B

triadic

#43180B #0B4318 #180B43

tetradic

#43180B #1A430B #0B3643 #340B43

square

#43180B #1A430B #0B3643 #340B43

split-complementary

#43180B #0B4334 #0B1A43

monochromatic

#1A0904 #1A0904 #43180B #782B14 #AC3E1C

Accessibility & contrast

On white

15.28

#43180B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#43180B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43180B

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43180B	#FFFFFF	#000000	##FFFFFF
##43180B	1.00	15.28	1.37	15.28
#FFFFFF	15.28	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#241F09

Deuteranopia (green-blind)

#2E290A

Tritanopia (blue-blind)

#4A0F15

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #43180b;
/* rgb */ color: rgb(67, 24, 11);
/* oklch */ color: oklch(27.3% 0.070 37.3);

Tailwind

colors: {
  custom: {
    50: '#7c564b',
    500: '#43180b',
    950: '#000000',
  },
}

SCSS

$custom: #43180b;
$custom-light: #7c564b;
$custom-dark: #000000;

JSON

{
  "hex": "#43180b",
  "rgb": {
    "r": 67,
    "g": 24,
    "b": 11
  },
  "hsl": {
    "h": 13.929,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.27298,
    "c": 0.07046,
    "h": 37.3
  },
  "luminance": 0.01871
}

Semantic roles & 50–950 ramp

primary

#43180B

secondary

#2A6C80

accent

#C4EF39

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #43180B

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

Preview Lab → · Contrast checker → · Palette generator →