#43100F#43100F

#43100F is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.1% C 0.079 H 25.4°. Best body text is #FFFFFF at 15.91:1 contrast (WCAG AA passes).

Color values

HEX	#43100F
RGB	rgb(67, 16, 15)
HSL	hsl(1, 63%, 16%)
HSV	hsv(1, 78%, 26%)
CMYK	cmyk(0%, 76.1%, 77.6%, 73.7%)
CIE-LAB	lab(13.22, 24.44, 13.87)
CIE-LCH	lch(13.22, 28.10, 29.58°)
OKLab	oklab(26.13% 0.0713 0.0338)
OKLCH	oklch(26.13% 0.079 25.4)
XYZ	xyz(2.5865, 1.5987, 0.6242)
Luminance	0.0160 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43100F #0F4243

analogous

#430F28 #43100F #432A0F

triadic

#43100F #0F4310 #100F43

tetradic

#43100F #28430F #0F4243 #2A0F43

square

#43100F #28430F #0F4243 #2A0F43

split-complementary

#43100F #0F432A #0F2843

monochromatic

#190606 #190606 #43100F #751C1A #A72825

Accessibility & contrast

On white

15.91

#43100F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#43100F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43100F

15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43100F	#FFFFFF	#000000	##FFFFFF
##43100F	1.00	15.91	1.32	15.91
#FFFFFF	15.91	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1B0E

Deuteranopia (green-blind)

#2B260D

Tritanopia (blue-blind)

#4A0410

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #43100f;
/* rgb */ color: rgb(67, 16, 15);
/* oklch */ color: oklch(26.1% 0.079 25.4);

Tailwind

colors: {
  custom: {
    50: '#7c524d',
    500: '#43100f',
    950: '#000000',
  },
}

SCSS

$custom: #43100f;
$custom-light: #7c524d;
$custom-dark: #000000;

JSON

{
  "hex": "#43100f",
  "rgb": {
    "r": 67,
    "g": 16,
    "b": 15
  },
  "hsl": {
    "h": 1.154,
    "s": 63.415,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26132,
    "c": 0.07889,
    "h": 25.4
  },
  "luminance": 0.01598
}

Semantic roles & 50–950 ramp

primary

#43100F

secondary

#307C7D

accent

#E3E641

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #43100F

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

Preview Lab → · Contrast checker → · Palette generator →