#681728#681728

#681728 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.8% C 0.114 H 13.6°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#681728
RGB	rgb(104, 23, 40)
HSL	hsl(347, 64%, 25%)
HSV	hsv(347, 78%, 41%)
CMYK	cmyk(0%, 77.9%, 61.5%, 59.2%)
CIE-LAB	lab(22.69, 36.64, 10.74)
CIE-LCH	lch(22.69, 38.18, 16.33°)
OKLab	oklab(34.79% 0.1104 0.0266)
OKLCH	oklch(34.79% 0.114 13.6)
XYZ	xyz(6.3989, 3.7100, 2.3862)
Luminance	0.0371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681728 #176857

analogous

#681751 #681728 #682E17

triadic

#681728 #286817 #172868

tetradic

#681728 #516817 #176857 #2E1768

square

#681728 #516817 #176857 #2E1768

split-complementary

#681728 #17682E #175168

monochromatic

#19060A #360C15 #681728 #9A223B #CC2D4F

Accessibility & contrast

On white

12.06

#681728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#681728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681728

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681728	#FFFFFF	#000000	##FFFFFF
##681728	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2C28

Deuteranopia (green-blind)

#413C26

Tritanopia (blue-blind)

#72011E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #681728;
/* rgb */ color: rgb(104, 23, 40);
/* oklch */ color: oklch(34.8% 0.114 13.6);

Tailwind

colors: {
  custom: {
    50: '#995c61',
    500: '#681728',
    950: '#000000',
  },
}

SCSS

$custom: #681728;
$custom-light: #995c61;
$custom-dark: #000000;

JSON

{
  "hex": "#681728",
  "rgb": {
    "r": 104,
    "g": 23,
    "b": 40
  },
  "hsl": {
    "h": 347.407,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.3479,
    "c": 0.11352,
    "h": 13.6
  },
  "luminance": 0.03709
}

Semantic roles & 50–950 ramp

primary

#681728

secondary

#3D9E8A

accent

#E7C441

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0405

muted

#7E7979

Preview Lab

Preview with #681728

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

Preview Lab → · Contrast checker → · Palette generator →