#681B25#681B25

#681B25 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.109 H 17.5°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#681B25
RGB	rgb(104, 27, 37)
HSL	hsl(352, 59%, 26%)
HSV	hsv(352, 74%, 41%)
CMYK	cmyk(0%, 74%, 64.4%, 59.2%)
CIE-LAB	lab(23.21, 34.79, 13.49)
CIE-LCH	lch(23.21, 37.31, 21.19°)
OKLab	oklab(35.15% 0.1038 0.0328)
OKLCH	oklch(35.15% 0.109 17.5)
XYZ	xyz(6.4354, 3.8614, 2.1564)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B25 #1B685E

analogous

#681B4B #681B25 #68371B

triadic

#681B25 #25681B #1B2568

tetradic

#681B25 #4B681B #1B685E #371B68

square

#681B25 #4B681B #1B685E #371B68

split-complementary

#681B25 #1B6837 #1B4B68

monochromatic

#180609 #370E14 #681B25 #992836 #C93448

Accessibility & contrast

On white

11.85

#681B25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#681B25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B25

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B25	#FFFFFF	#000000	##FFFFFF
##681B25	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D25

Deuteranopia (green-blind)

#433D23

Tritanopia (blue-blind)

#72071F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b25;
/* rgb */ color: rgb(104, 27, 37);
/* oklch */ color: oklch(35.2% 0.109 17.5);

Tailwind

colors: {
  custom: {
    50: '#995d5f',
    500: '#681b25',
    950: '#000000',
  },
}

SCSS

$custom: #681b25;
$custom-light: #995d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#681b25",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 37
  },
  "hsl": {
    "h": 352.208,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35154,
    "c": 0.1089,
    "h": 17.5
  },
  "luminance": 0.0386
}

Semantic roles & 50–950 ramp

primary

#681B25

secondary

#429D91

accent

#E2CE46

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0404

muted

#7E7979

Preview Lab

Preview with #681B25

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

Preview Lab → · Contrast checker → · Palette generator →