#683137#683137

#683137 is a dark, moderate red. Relative luminance 0.054; OKLCH L 38.8% C 0.079 H 14.6°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#683137
RGB	rgb(104, 49, 55)
HSL	hsl(353, 36%, 30%)
HSV	hsv(353, 53%, 41%)
CMYK	cmyk(0%, 52.9%, 47.1%, 59.2%)
CIE-LAB	lab(27.89, 25.26, 7.75)
CIE-LCH	lch(27.89, 26.42, 17.06°)
OKLab	oklab(38.81% 0.0763 0.0199)
OKLCH	oklch(38.81% 0.079 14.6)
XYZ	xyz(7.4973, 5.4163, 4.2643)
Luminance	0.0542 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#683137 #316862

analogous

#683152 #683137 #684731

triadic

#683137 #376831 #313768

tetradic

#683137 #526831 #316862 #473168

square

#683137 #526831 #316862 #473168

split-complementary

#683137 #316847 #315268

monochromatic

#150A0B #3E1D21 #683137 #92454D #B46069

Accessibility & contrast

On white

10.08

#683137 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#683137 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #683137

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##683137	#FFFFFF	#000000	##FFFFFF
##683137	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B37

Deuteranopia (green-blind)

#4A4636

Tritanopia (blue-blind)

#712A33

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #683137;
/* rgb */ color: rgb(104, 49, 55);
/* oklch */ color: oklch(38.8% 0.079 14.6);

Tailwind

colors: {
  custom: {
    50: '#966b6d',
    500: '#683137',
    950: '#000000',
  },
}

SCSS

$custom: #683137;
$custom-light: #966b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#683137",
  "rgb": {
    "r": 104,
    "g": 49,
    "b": 55
  },
  "hsl": {
    "h": 353.455,
    "s": 35.948,
    "l": 30
  },
  "oklch": {
    "l": 0.38811,
    "c": 0.07888,
    "h": 14.6
  },
  "luminance": 0.05416
}

Semantic roles & 50–950 ramp

primary

#683137

secondary

#5C9992

accent

#CCC05C

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0E0707

muted

#7E7A7A

Preview Lab

Preview with #683137

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

Preview Lab → · Contrast checker → · Palette generator →