#43170B#43170B

#43170B is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.1% C 0.072 H 36.1°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#43170B
RGB	rgb(67, 23, 11)
HSL	hsl(13, 72%, 15%)
HSV	hsv(13, 84%, 26%)
CMYK	cmyk(0%, 65.7%, 83.6%, 73.7%)
CIE-LAB	lab(14.57, 20.44, 17.56)
CIE-LCH	lch(14.57, 26.95, 40.67°)
OKLab	oklab(27.13% 0.0578 0.0422)
OKLCH	oklch(27.13% 0.072 36.1)
XYZ	xyz(2.6818, 1.8306, 0.5287)
Luminance	0.0183 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43170B #0B3743

analogous

#430B1B #43170B #43330B

triadic

#43170B #0B4317 #170B43

tetradic

#43170B #1B430B #0B3743 #330B43

square

#43170B #1B430B #0B3743 #330B43

split-complementary

#43170B #0B4333 #0B1B43

monochromatic

#1A0904 #1A0904 #43170B #782914 #AC3B1C

Accessibility & contrast

On white

15.37

#43170B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#43170B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43170B

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43170B	#FFFFFF	#000000	##FFFFFF
##43170B	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F0A

Deuteranopia (green-blind)

#2E280A

Tritanopia (blue-blind)

#4A0D14

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #43170b;
/* rgb */ color: rgb(67, 23, 11);
/* oklch */ color: oklch(27.1% 0.072 36.1);

Tailwind

colors: {
  custom: {
    50: '#7c564b',
    500: '#43170b',
    950: '#000000',
  },
}

SCSS

$custom: #43170b;
$custom-light: #7c564b;
$custom-dark: #000000;

JSON

{
  "hex": "#43170b",
  "rgb": {
    "r": 67,
    "g": 23,
    "b": 11
  },
  "hsl": {
    "h": 12.857,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.27129,
    "c": 0.07159,
    "h": 36.1
  },
  "luminance": 0.0183
}

Semantic roles & 50–950 ramp

primary

#43170B

secondary

#2A6D80

accent

#C8EF39

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #43170B

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

Preview Lab → · Contrast checker → · Palette generator →