#661D25#661D25

#661D25 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.104 H 18.1°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#661D25
RGB	rgb(102, 29, 37)
HSL	hsl(353, 56%, 26%)
HSV	hsv(353, 72%, 40%)
CMYK	cmyk(0%, 71.6%, 63.7%, 60%)
CIE-LAB	lab(23.13, 33.19, 13.31)
CIE-LCH	lch(23.13, 35.76, 21.85°)
OKLab	oklab(35.02% 0.099 0.0325)
OKLCH	oklch(35.02% 0.104 18.1)
XYZ	xyz(6.2534, 3.8379, 2.1614)
Luminance	0.0384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D25 #1D665E

analogous

#661D49 #661D25 #66391D

triadic

#661D25 #25661D #1D2566

tetradic

#661D25 #49661D #1D665E #391D66

square

#661D25 #49661D #1D665E #391D66

split-complementary

#661D25 #1D6639 #1D4966

monochromatic

#180709 #360F14 #661D25 #962B36 #C53848

Accessibility & contrast

On white

11.88

#661D25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#661D25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D25

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D25	#FFFFFF	#000000	##FFFFFF
##661D25	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302D25

Deuteranopia (green-blind)

#423D23

Tritanopia (blue-blind)

#700C20

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661d25;
/* rgb */ color: rgb(102, 29, 37);
/* oklch */ color: oklch(35.0% 0.104 18.1);

Tailwind

colors: {
  custom: {
    50: '#975e5f',
    500: '#661d25',
    950: '#000000',
  },
}

SCSS

$custom: #661d25;
$custom-light: #975e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#661d25",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 37
  },
  "hsl": {
    "h": 353.425,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35021,
    "c": 0.1042,
    "h": 18.1
  },
  "luminance": 0.03837
}

Semantic roles & 50–950 ramp

primary

#661D25

secondary

#449B91

accent

#DFCF49

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0504

muted

#7E7979

Preview Lab

Preview with #661D25

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

Preview Lab → · Contrast checker → · Palette generator →