#683138#683138

#683138 is a dark, moderate red. Relative luminance 0.054; OKLCH L 38.8% C 0.079 H 13.5°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#683138
RGB	rgb(104, 49, 56)
HSL	hsl(352, 36%, 30%)
HSV	hsv(352, 53%, 41%)
CMYK	cmyk(0%, 52.9%, 46.2%, 59.2%)
CIE-LAB	lab(27.92, 25.37, 7.13)
CIE-LCH	lch(27.92, 26.35, 15.69°)
OKLab	oklab(38.84% 0.0768 0.0184)
OKLCH	oklch(38.84% 0.079 13.5)
XYZ	xyz(7.5215, 5.4260, 4.3918)
Luminance	0.0542 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#683138 #316861

analogous

#683153 #683138 #684631

triadic

#683138 #386831 #313868

tetradic

#683138 #536831 #316861 #463168

square

#683138 #536831 #316861 #463168

split-complementary

#683138 #316846 #315368

monochromatic

#150A0B #3E1D22 #683138 #92454E #B4606A

Accessibility & contrast

On white

10.07

#683138 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#683138 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #683138

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##683138	#FFFFFF	#000000	##FFFFFF
##683138	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B38

Deuteranopia (green-blind)

#4A4637

Tritanopia (blue-blind)

#712A34

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #683138;
/* rgb */ color: rgb(104, 49, 56);
/* oklch */ color: oklch(38.8% 0.079 13.5);

Tailwind

colors: {
  custom: {
    50: '#966b6e',
    500: '#683138',
    950: '#000000',
  },
}

SCSS

$custom: #683138;
$custom-light: #966b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#683138",
  "rgb": {
    "r": 104,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 352.364,
    "s": 35.948,
    "l": 30
  },
  "oklch": {
    "l": 0.38839,
    "c": 0.07893,
    "h": 13.5
  },
  "luminance": 0.05425
}

Semantic roles & 50–950 ramp

primary

#683138

secondary

#5C9991

accent

#CCBE5C

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0E0707

muted

#7E7A7A

Preview Lab

Preview with #683138

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

Preview Lab → · Contrast checker → · Palette generator →