#681729#681729

#681729 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.8% C 0.114 H 12.8°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#681729
RGB	rgb(104, 23, 41)
HSL	hsl(347, 64%, 25%)
HSV	hsv(347, 78%, 41%)
CMYK	cmyk(0%, 77.9%, 60.6%, 59.2%)
CIE-LAB	lab(22.71, 36.72, 10.08)
CIE-LCH	lch(22.71, 38.08, 15.34°)
OKLab	oklab(34.82% 0.1108 0.0251)
OKLCH	oklch(34.82% 0.114 12.8)
XYZ	xyz(6.4162, 3.7169, 2.4770)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681729 #176856

analogous

#681751 #681729 #682E17

triadic

#681729 #296817 #172968

tetradic

#681729 #516817 #176856 #2E1768

square

#681729 #516817 #176856 #2E1768

split-complementary

#681729 #17682E #175168

monochromatic

#19060A #360C15 #681729 #9A223D #CC2D51

Accessibility & contrast

On white

12.05

#681729 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#681729 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681729

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681729	#FFFFFF	#000000	##FFFFFF
##681729	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2C29

Deuteranopia (green-blind)

#413C27

Tritanopia (blue-blind)

#72011E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #681729;
/* rgb */ color: rgb(104, 23, 41);
/* oklch */ color: oklch(34.8% 0.114 12.8);

Tailwind

colors: {
  custom: {
    50: '#985c62',
    500: '#681729',
    950: '#000000',
  },
}

SCSS

$custom: #681729;
$custom-light: #985c62;
$custom-dark: #000000;

JSON

{
  "hex": "#681729",
  "rgb": {
    "r": 104,
    "g": 23,
    "b": 41
  },
  "hsl": {
    "h": 346.667,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34816,
    "c": 0.11361,
    "h": 12.8
  },
  "luminance": 0.03716
}

Semantic roles & 50–950 ramp

primary

#681729

secondary

#3D9E89

accent

#E7C241

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0F0405

muted

#7E7979

Preview Lab

Preview with #681729

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

Preview Lab → · Contrast checker → · Palette generator →