#681B23#681B23

#681B23 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.109 H 19.1°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#681B23
RGB	rgb(104, 27, 35)
HSL	hsl(354, 59%, 26%)
HSV	hsv(354, 74%, 41%)
CMYK	cmyk(0%, 74%, 66.3%, 59.2%)
CIE-LAB	lab(23.17, 34.65, 14.80)
CIE-LCH	lch(23.17, 37.67, 23.13°)
OKLab	oklab(35.11% 0.103 0.0356)
OKLCH	oklch(35.11% 0.109 19.1)
XYZ	xyz(6.4049, 3.8492, 1.9955)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B23 #1B6860

analogous

#681B49 #681B23 #68391B

triadic

#681B23 #23681B #1B2368

tetradic

#681B23 #49681B #1B6860 #391B68

square

#681B23 #49681B #1B6860 #391B68

split-complementary

#681B23 #1B6839 #1B4968

monochromatic

#180608 #370E13 #681B23 #992833 #C93444

Accessibility & contrast

On white

11.87

#681B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#681B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B23

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B23	#FFFFFF	#000000	##FFFFFF
##681B23	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302D23

Deuteranopia (green-blind)

#433D21

Tritanopia (blue-blind)

#73061F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b23;
/* rgb */ color: rgb(104, 27, 35);
/* oklch */ color: oklch(35.1% 0.109 19.1);

Tailwind

colors: {
  custom: {
    50: '#995d5d',
    500: '#681b23',
    950: '#000000',
  },
}

SCSS

$custom: #681b23;
$custom-light: #995d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#681b23",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 35
  },
  "hsl": {
    "h": 353.766,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3511,
    "c": 0.10895,
    "h": 19.1
  },
  "luminance": 0.03848
}

Semantic roles & 50–950 ramp

primary

#681B23

secondary

#429D94

accent

#E2D246

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0404

muted

#7E7979

Preview Lab

Preview with #681B23

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

Preview Lab → · Contrast checker → · Palette generator →