#683F38#683F38

#683F38 is a dark, muted red. Relative luminance 0.068; OKLCH L 41.4% C 0.059 H 30.3°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#683F38
RGB	rgb(104, 63, 56)
HSL	hsl(9, 30%, 31%)
HSV	hsv(9, 46%, 41%)
CMYK	cmyk(0%, 39.4%, 46.2%, 59.2%)
CIE-LAB	lab(31.31, 17.01, 11.82)
CIE-LCH	lch(31.31, 20.72, 34.79°)
OKLab	oklab(41.43% 0.0511 0.0298)
OKLCH	oklch(41.43% 0.059 30.3)
XYZ	xyz(8.2007, 6.7843, 4.6182)
Luminance	0.0678 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#683F38 #386168

analogous

#683849 #683F38 #685738

triadic

#683F38 #38683F #3F3868

tetradic

#683F38 #496838 #386168 #573868

square

#683F38 #496838 #386168 #573868

split-complementary

#683F38 #386857 #384968

monochromatic

#180F0D #402723 #683F38 #90574D #AF756B

Accessibility & contrast

On white

8.91

#683F38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#683F38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #683F38

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##683F38	#FFFFFF	#000000	##FFFFFF
##683F38	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484537

Deuteranopia (green-blind)

#524D37

Tritanopia (blue-blind)

#70393D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #683f38;
/* rgb */ color: rgb(104, 63, 56);
/* oklch */ color: oklch(41.4% 0.059 30.3);

Tailwind

colors: {
  custom: {
    50: '#95746e',
    500: '#683f38',
    950: '#000000',
  },
}

SCSS

$custom: #683f38;
$custom-light: #95746e;
$custom-dark: #000000;

JSON

{
  "hex": "#683f38",
  "rgb": {
    "r": 104,
    "g": 63,
    "b": 56
  },
  "hsl": {
    "h": 8.75,
    "s": 30,
    "l": 31.373
  },
  "oklch": {
    "l": 0.41429,
    "c": 0.05917,
    "h": 30.3
  },
  "luminance": 0.06784
}

Semantic roles & 50–950 ramp

primary

#683F38

secondary

#639198

accent

#B8C662

background

#F9F7F6

surface

#F2EDEB

border

#CCC8C6

text

#0D0807

muted

#7E7B7A

Preview Lab

Preview with #683F38

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

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