#43101B#43101B

#43101B is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.4% C 0.078 H 11.5°. Best body text is #FFFFFF at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#43101B
RGB	rgb(67, 16, 27)
HSL	hsl(347, 61%, 16%)
HSV	hsv(347, 76%, 26%)
CMYK	cmyk(0%, 76.1%, 59.7%, 73.7%)
CIE-LAB	lab(13.49, 25.40, 6.20)
CIE-LCH	lch(13.49, 26.15, 13.70°)
OKLab	oklab(26.42% 0.0769 0.0157)
OKLCH	oklch(26.42% 0.078 11.5)
XYZ	xyz(2.6981, 1.6434, 1.2118)
Luminance	0.0164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43101B #104338

analogous

#431035 #43101B #431F10

triadic

#43101B #1B4310 #101B43

tetradic

#43101B #354310 #104338 #1F1043

square

#43101B #354310 #104338 #1F1043

split-complementary

#43101B #10431F #103543

monochromatic

#19060A #19060A #43101B #741C2F #A62843

Accessibility & contrast

On white

15.81

#43101B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#43101B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43101B

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43101B	#FFFFFF	#000000	##FFFFFF
##43101B	1.00	15.81	1.33	15.81
#FFFFFF	15.81	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1C1B

Deuteranopia (green-blind)

#29261A

Tritanopia (blue-blind)

#4A0714

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #43101b;
/* rgb */ color: rgb(67, 16, 27);
/* oklch */ color: oklch(26.4% 0.078 11.5);

Tailwind

colors: {
  custom: {
    50: '#7b5257',
    500: '#43101b',
    950: '#000000',
  },
}

SCSS

$custom: #43101b;
$custom-light: #7b5257;
$custom-dark: #000000;

JSON

{
  "hex": "#43101b",
  "rgb": {
    "r": 67,
    "g": 16,
    "b": 27
  },
  "hsl": {
    "h": 347.059,
    "s": 61.446,
    "l": 16.275
  },
  "oklch": {
    "l": 0.2642,
    "c": 0.07847,
    "h": 11.5
  },
  "luminance": 0.01643
}

Semantic roles & 50–950 ramp

primary

#43101B

secondary

#327D6D

accent

#E5C243

background

#F7F4F5

surface

#EEE7E9

border

#C9C3C5

text

#0A0203

muted

#7C7878

Preview Lab

Preview with #43101B

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

Preview Lab → · Contrast checker → · Palette generator →