#680F1B#680F1B

#680F1B is a dark, vivid red. Relative luminance 0.034; OKLCH L 33.8% C 0.121 H 20.3°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#680F1B
RGB	rgb(104, 15, 27)
HSL	hsl(352, 75%, 23%)
HSV	hsv(352, 86%, 41%)
CMYK	cmyk(0%, 85.6%, 74%, 59.2%)
CIE-LAB	lab(21.45, 38.53, 18.09)
CIE-LCH	lch(21.45, 42.57, 25.16°)
OKLab	oklab(33.79% 0.1135 0.0419)
OKLCH	oklch(33.79% 0.121 20.3)
XYZ	xyz(6.0783, 3.3648, 1.3661)
Luminance	0.0336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#680F1B #0F685C

analogous

#680F47 #680F1B #682F0F

triadic

#680F1B #1B680F #0F1B68

tetradic

#680F1B #47680F #0F685C #2F0F68

square

#680F1B #47680F #0F685C #2F0F68

split-complementary

#680F1B #0F682F #0F4768

monochromatic

#1B0407 #33070D #680F1B #9D1729 #D31E37

Accessibility & contrast

On white

12.55

#680F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#680F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #680F1B

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##680F1B	#FFFFFF	#000000	##FFFFFF
##680F1B	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B271B

Deuteranopia (green-blind)

#413A18

Tritanopia (blue-blind)

#730015

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #680f1b;
/* rgb */ color: rgb(104, 15, 27);
/* oklch */ color: oklch(33.8% 0.121 20.3);

Tailwind

colors: {
  custom: {
    50: '#9a5857',
    500: '#680f1b',
    950: '#000000',
  },
}

SCSS

$custom: #680f1b;
$custom-light: #9a5857;
$custom-dark: #000000;

JSON

{
  "hex": "#680f1b",
  "rgb": {
    "r": 104,
    "g": 15,
    "b": 27
  },
  "hsl": {
    "h": 351.91,
    "s": 74.79,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33787,
    "c": 0.121,
    "h": 20.3
  },
  "luminance": 0.03364
}

Semantic roles & 50–950 ramp

primary

#680F1B

secondary

#32A192

accent

#F1D836

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #680F1B

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

Preview Lab → · Contrast checker → · Palette generator →