#681C29#681C29

#681C29 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.4% C 0.108 H 14.8°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#681C29
RGB	rgb(104, 28, 41)
HSL	hsl(350, 58%, 26%)
HSV	hsv(350, 73%, 41%)
CMYK	cmyk(0%, 73.1%, 60.6%, 59.2%)
CIE-LAB	lab(23.45, 34.67, 11.08)
CIE-LCH	lch(23.45, 36.40, 17.72°)
OKLab	oklab(35.37% 0.1042 0.0275)
OKLCH	oklch(35.37% 0.108 14.8)
XYZ	xyz(6.5250, 3.9346, 2.5132)
Luminance	0.0393 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681C29 #1C685B

analogous

#681C4F #681C29 #68351C

triadic

#681C29 #29681C #1C2968

tetradic

#681C29 #4F681C #1C685B #351C68

square

#681C29 #4F681C #1C685B #351C68

split-complementary

#681C29 #1C6835 #1C4F68

monochromatic

#18060A #380F16 #681C29 #98293C #C8364F

Accessibility & contrast

On white

11.75

#681C29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#681C29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C29

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681C29	#FFFFFF	#000000	##FFFFFF
##681C29	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2E29

Deuteranopia (green-blind)

#433E27

Tritanopia (blue-blind)

#720B21

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681c29;
/* rgb */ color: rgb(104, 28, 41);
/* oklch */ color: oklch(35.4% 0.108 14.8);

Tailwind

colors: {
  custom: {
    50: '#985e62',
    500: '#681c29',
    950: '#000000',
  },
}

SCSS

$custom: #681c29;
$custom-light: #985e62;
$custom-dark: #000000;

JSON

{
  "hex": "#681c29",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 41
  },
  "hsl": {
    "h": 349.737,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35366,
    "c": 0.10778,
    "h": 14.8
  },
  "luminance": 0.03934
}

Semantic roles & 50–950 ramp

primary

#681C29

secondary

#439D8E

accent

#E1C747

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #681C29

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

Preview Lab → · Contrast checker → · Palette generator →