#680F21#680F21

#680F21 is a dark, vivid red. Relative luminance 0.034; OKLCH L 33.9% C 0.121 H 16.2°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#680F21
RGB	rgb(104, 15, 33)
HSL	hsl(348, 75%, 23%)
HSV	hsv(348, 86%, 41%)
CMYK	cmyk(0%, 85.6%, 68.3%, 59.2%)
CIE-LAB	lab(21.56, 38.88, 14.10)
CIE-LCH	lch(21.56, 41.35, 19.94°)
OKLab	oklab(33.91% 0.1161 0.0338)
OKLCH	oklch(33.91% 0.121 16.2)
XYZ	xyz(6.1549, 3.3955, 1.7699)
Luminance	0.0340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#680F21 #0F6856

analogous

#680F4D #680F21 #68290F

triadic

#680F21 #21680F #0F2168

tetradic

#680F21 #4D680F #0F6856 #290F68

square

#680F21 #4D680F #0F6856 #290F68

split-complementary

#680F21 #0F6829 #0F4D68

monochromatic

#1B0408 #330710 #680F21 #9D1732 #D31E43

Accessibility & contrast

On white

12.51

#680F21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#680F21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #680F21

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##680F21	#FFFFFF	#000000	##FFFFFF
##680F21	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2821

Deuteranopia (green-blind)

#403A1E

Tritanopia (blue-blind)

#730017

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #680f21;
/* rgb */ color: rgb(104, 15, 33);
/* oklch */ color: oklch(33.9% 0.121 16.2);

Tailwind

colors: {
  custom: {
    50: '#99585b',
    500: '#680f21',
    950: '#000000',
  },
}

SCSS

$custom: #680f21;
$custom-light: #99585b;
$custom-dark: #000000;

JSON

{
  "hex": "#680f21",
  "rgb": {
    "r": 104,
    "g": 15,
    "b": 33
  },
  "hsl": {
    "h": 347.865,
    "s": 74.79,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33907,
    "c": 0.12091,
    "h": 16.2
  },
  "luminance": 0.03395
}

Semantic roles & 50–950 ramp

primary

#680F21

secondary

#32A18A

accent

#F1CC36

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0404

muted

#7F7979

Preview Lab

Preview with #680F21

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

Preview Lab → · Contrast checker → · Palette generator →