#73403C#73403C

#73403C is a dark, moderate red. Relative luminance 0.076; OKLCH L 43.3% C 0.072 H 25.2°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#73403C
RGB	rgb(115, 64, 60)
HSL	hsl(4, 31%, 34%)
HSV	hsv(4, 48%, 45%)
CMYK	cmyk(0%, 44.3%, 47.8%, 54.9%)
CIE-LAB	lab(33.22, 21.67, 12.13)
CIE-LCH	lch(33.22, 24.83, 29.24°)
OKLab	oklab(43.26% 0.065 0.0306)
OKLCH	oklch(43.26% 0.072 25.2)
XYZ	xyz(9.7198, 7.6388, 5.2366)
Luminance	0.0764 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73403C #3C6F73

analogous

#733C54 #73403C #735C3C

triadic

#73403C #3C7340 #403C73

tetradic

#73403C #54733C #3C6F73 #5C3C73

square

#73403C #54733C #3C6F73 #5C3C73

split-complementary

#73403C #3C735C #3C5473

monochromatic

#231312 #4B2A27 #73403C #9B5651 #B67873

Accessibility & contrast

On white

8.31

#73403C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#73403C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #73403C

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73403C	#FFFFFF	#000000	##FFFFFF
##73403C	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B483B

Deuteranopia (green-blind)

#58523B

Tritanopia (blue-blind)

#7C393F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #73403c;
/* rgb */ color: rgb(115, 64, 60);
/* oklch */ color: oklch(43.3% 0.072 25.2);

Tailwind

colors: {
  custom: {
    50: '#9e7571',
    500: '#73403c',
    950: '#000000',
  },
}

SCSS

$custom: #73403c;
$custom-light: #9e7571;
$custom-dark: #000000;

JSON

{
  "hex": "#73403c",
  "rgb": {
    "r": 115,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 4.364,
    "s": 31.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43255,
    "c": 0.07186,
    "h": 25.2
  },
  "luminance": 0.07638
}

Semantic roles & 50–950 ramp

primary

#73403C

secondary

#6B9CA0

accent

#C0C860

background

#F9F7F6

surface

#F2EDEC

border

#CCC8C7

text

#0F0807

muted

#7E7B7A

Preview Lab

Preview with #73403C

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

Preview Lab → · Contrast checker → · Palette generator →