#681F23#681F23

#681F23 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.6% C 0.104 H 21.1°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#681F23
RGB	rgb(104, 31, 35)
HSL	hsl(357, 54%, 26%)
HSV	hsv(357, 70%, 41%)
CMYK	cmyk(0%, 70.2%, 66.3%, 59.2%)
CIE-LAB	lab(23.82, 32.86, 15.64)
CIE-LCH	lch(23.82, 36.39, 25.45°)
OKLab	oklab(35.6% 0.0973 0.0376)
OKLCH	oklch(35.6% 0.104 21.1)
XYZ	xyz(6.5029, 4.0453, 2.0282)
Luminance	0.0404 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681F23 #1F6864

analogous

#681F48 #681F23 #68401F

triadic

#681F23 #23681F #1F2368

tetradic

#681F23 #48681F #1F6864 #401F68

square

#681F23 #48681F #1F6864 #401F68

split-complementary

#681F23 #1F6840 #1F4868

monochromatic

#180708 #391113 #681F23 #972D33 #C53C44

Accessibility & contrast

On white

11.61

#681F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#681F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681F23

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681F23	#FFFFFF	#000000	##FFFFFF
##681F23	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322F23

Deuteranopia (green-blind)

#453E21

Tritanopia (blue-blind)

#720E21

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #681f23;
/* rgb */ color: rgb(104, 31, 35);
/* oklch */ color: oklch(35.6% 0.104 21.1);

Tailwind

colors: {
  custom: {
    50: '#985f5d',
    500: '#681f23',
    950: '#000000',
  },
}

SCSS

$custom: #681f23;
$custom-light: #985f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#681f23",
  "rgb": {
    "r": 104,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 356.712,
    "s": 54.074,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35599,
    "c": 0.10428,
    "h": 21.1
  },
  "luminance": 0.04044
}

Semantic roles & 50–950 ramp

primary

#681F23

secondary

#469C98

accent

#DDD54A

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0F0504

muted

#7E7979

Preview Lab

Preview with #681F23

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

Preview Lab → · Contrast checker → · Palette generator →