#681818#681818

#681818 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.113 H 25.4°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#681818
RGB	rgb(104, 24, 24)
HSL	hsl(0, 63%, 25%)
HSV	hsv(0, 77%, 41%)
CMYK	cmyk(0%, 76.9%, 76.9%, 59.2%)
CIE-LAB	lab(22.53, 35.23, 21.37)
CIE-LCH	lch(22.53, 41.20, 31.24°)
OKLab	oklab(34.57% 0.1023 0.0485)
OKLCH	oklch(34.57% 0.113 25.4)
XYZ	xyz(6.2011, 3.6632, 1.2445)
Luminance	0.0366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681818 #186868

analogous

#681840 #681818 #684018

triadic

#681818 #186818 #181868

tetradic

#681818 #406818 #186868 #401868

square

#681818 #406818 #186868 #401868

split-complementary

#681818 #186840 #184068

monochromatic

#190606 #360D0D #681818 #9A2323 #CB2F2F

Accessibility & contrast

On white

12.12

#681818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#681818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681818

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681818	#FFFFFF	#000000	##FFFFFF
##681818	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2B17

Deuteranopia (green-blind)

#433C15

Tritanopia (blue-blind)

#730019

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #681818;
/* rgb */ color: rgb(104, 24, 24);
/* oklch */ color: oklch(34.6% 0.113 25.4);

Tailwind

colors: {
  custom: {
    50: '#9a5c55',
    500: '#681818',
    950: '#000000',
  },
}

SCSS

$custom: #681818;
$custom-light: #9a5c55;
$custom-dark: #000000;

JSON

{
  "hex": "#681818",
  "rgb": {
    "r": 104,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 0,
    "s": 62.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34571,
    "c": 0.11319,
    "h": 25.4
  },
  "luminance": 0.03662
}

Semantic roles & 50–950 ramp

primary

#681818

secondary

#3E9E9E

accent

#E6E642

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #681818

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

Preview Lab → · Contrast checker → · Palette generator →