#43100C#43100C

#43100C is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.079 H 28.3°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#43100C
RGB	rgb(67, 16, 12)
HSL	hsl(4, 70%, 15%)
HSV	hsv(4, 82%, 26%)
CMYK	cmyk(0%, 76.1%, 82.1%, 73.7%)
CIE-LAB	lab(13.17, 24.26, 15.28)
CIE-LCH	lch(13.17, 28.67, 32.21°)
OKLab	oklab(26.08% 0.07 0.0376)
OKLCH	oklch(26.08% 0.079 28.3)
XYZ	xyz(2.5667, 1.5908, 0.5197)
Luminance	0.0159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43100C #0C3F43

analogous

#430C23 #43100C #432B0C

triadic

#43100C #0C4310 #100C43

tetradic

#43100C #23430C #0C3F43 #2B0C43

square

#43100C #23430C #0C3F43 #2B0C43

split-complementary

#43100C #0C432B #0C2343

monochromatic

#1A0605 #1A0605 #43100C #771C15 #AB291F

Accessibility & contrast

On white

15.93

#43100C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#43100C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43100C

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43100C	#FFFFFF	#000000	##FFFFFF
##43100C	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1B0B

Deuteranopia (green-blind)

#2B260A

Tritanopia (blue-blind)

#4B030F

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #43100c;
/* rgb */ color: rgb(67, 16, 12);
/* oklch */ color: oklch(26.1% 0.079 28.3);

Tailwind

colors: {
  custom: {
    50: '#7c524c',
    500: '#43100c',
    950: '#000000',
  },
}

SCSS

$custom: #43100c;
$custom-light: #7c524c;
$custom-dark: #000000;

JSON

{
  "hex": "#43100c",
  "rgb": {
    "r": 67,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 4.364,
    "s": 69.62,
    "l": 15.49
  },
  "oklch": {
    "l": 0.2608,
    "c": 0.07943,
    "h": 28.3
  },
  "luminance": 0.0159
}

Semantic roles & 50–950 ramp

primary

#43100C

secondary

#2C797F

accent

#E0EC3B

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #43100C

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

Preview Lab → · Contrast checker → · Palette generator →