#43100A#43100A

#43100A is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.080 H 30.0°. Best body text is #FFFFFF at 15.94:1 contrast (WCAG AA passes).

Color values

HEX	#43100A
RGB	rgb(67, 16, 10)
HSL	hsl(6, 74%, 15%)
HSV	hsv(6, 85%, 26%)
CMYK	cmyk(0%, 76.1%, 85.1%, 73.7%)
CIE-LAB	lab(13.15, 24.15, 16.10)
CIE-LCH	lch(13.15, 29.03, 33.69°)
OKLab	oklab(26.05% 0.0691 0.04)
OKLCH	oklch(26.05% 0.08 30)
XYZ	xyz(2.5551, 1.5862, 0.4587)
Luminance	0.0159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43100A #0A3D43

analogous

#430A20 #43100A #432D0A

triadic

#43100A #0A4310 #100A43

tetradic

#43100A #20430A #0A3D43 #2D0A43

square

#43100A #20430A #0A3D43 #2D0A43

split-complementary

#43100A #0A432D #0A2043

monochromatic

#1B0604 #1B0604 #43100A #781D12 #AE291A

Accessibility & contrast

On white

15.94

#43100A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#43100A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43100A

15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43100A	#FFFFFF	#000000	##FFFFFF
##43100A	1.00	15.94	1.32	15.94
#FFFFFF	15.94	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B09

Deuteranopia (green-blind)

#2B2608

Tritanopia (blue-blind)

#4B030F

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #43100a;
/* rgb */ color: rgb(67, 16, 10);
/* oklch */ color: oklch(26.1% 0.080 30.0);

Tailwind

colors: {
  custom: {
    50: '#7c524b',
    500: '#43100a',
    950: '#000000',
  },
}

SCSS

$custom: #43100a;
$custom-light: #7c524b;
$custom-dark: #000000;

JSON

{
  "hex": "#43100a",
  "rgb": {
    "r": 67,
    "g": 16,
    "b": 10
  },
  "hsl": {
    "h": 6.316,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.2605,
    "c": 0.07986,
    "h": 30
  },
  "luminance": 0.01586
}

Semantic roles & 50–950 ramp

primary

#43100A

secondary

#297780

accent

#DDF137

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #43100A

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

Preview Lab → · Contrast checker → · Palette generator →