#43100D#43100D

#43100D is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.079 H 27.4°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#43100D
RGB	rgb(67, 16, 13)
HSL	hsl(3, 68%, 16%)
HSV	hsv(3, 81%, 26%)
CMYK	cmyk(0%, 76.1%, 80.6%, 73.7%)
CIE-LAB	lab(13.19, 24.32, 14.83)
CIE-LCH	lch(13.19, 28.48, 31.39°)
OKLab	oklab(26.1% 0.0704 0.0364)
OKLCH	oklch(26.1% 0.079 27.4)
XYZ	xyz(2.5730, 1.5933, 0.5527)
Luminance	0.0159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43100D #0D4043

analogous

#430D25 #43100D #432B0D

triadic

#43100D #0D4310 #100D43

tetradic

#43100D #25430D #0D4043 #2B0D43

square

#43100D #25430D #0D4043 #2B0D43

split-complementary

#43100D #0D432B #0D2543

monochromatic

#1A0605 #1A0605 #43100D #761C17 #AA2821

Accessibility & contrast

On white

15.93

#43100D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#43100D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43100D

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43100D	#FFFFFF	#000000	##FFFFFF
##43100D	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)

#1E1B0C

Deuteranopia (green-blind)

#2B260B

Tritanopia (blue-blind)

#4A0310

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #43100d;
/* rgb */ color: rgb(67, 16, 13);
/* oklch */ color: oklch(26.1% 0.079 27.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#43100d",
  "rgb": {
    "r": 67,
    "g": 16,
    "b": 13
  },
  "hsl": {
    "h": 3.333,
    "s": 67.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.26097,
    "c": 0.07924,
    "h": 27.4
  },
  "luminance": 0.01593
}

Semantic roles & 50–950 ramp

primary

#43100D

secondary

#2D7A7E

accent

#E1EA3D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #43100D

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

Preview Lab → · Contrast checker → · Palette generator →