#661D29#661D29

#661D29 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.104 H 14.8°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#661D29
RGB	rgb(102, 29, 41)
HSL	hsl(350, 56%, 26%)
HSV	hsv(350, 72%, 40%)
CMYK	cmyk(0%, 71.6%, 59.8%, 60%)
CIE-LAB	lab(23.22, 33.52, 10.69)
CIE-LCH	lch(23.22, 35.18, 17.70°)
OKLab	oklab(35.12% 0.1008 0.0266)
OKLCH	oklch(35.12% 0.104 14.8)
XYZ	xyz(6.3197, 3.8645, 2.5105)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D29 #1D665A

analogous

#661D4D #661D29 #66351D

triadic

#661D29 #29661D #1D2966

tetradic

#661D29 #4D661D #1D665A #351D66

square

#661D29 #4D661D #1D665A #351D66

split-complementary

#661D29 #1D6635 #1D4D66

monochromatic

#18070A #360F16 #661D29 #962B3C #C5384F

Accessibility & contrast

On white

11.85

#661D29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#661D29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D29

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D29	#FFFFFF	#000000	##FFFFFF
##661D29	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)

#2F2E29

Deuteranopia (green-blind)

#423D27

Tritanopia (blue-blind)

#700E22

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661d29;
/* rgb */ color: rgb(102, 29, 41);
/* oklch */ color: oklch(35.1% 0.104 14.8);

Tailwind

colors: {
  custom: {
    50: '#965e62',
    500: '#661d29',
    950: '#000000',
  },
}

SCSS

$custom: #661d29;
$custom-light: #965e62;
$custom-dark: #000000;

JSON

{
  "hex": "#661d29",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 41
  },
  "hsl": {
    "h": 350.137,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35117,
    "c": 0.10424,
    "h": 14.8
  },
  "luminance": 0.03864
}

Semantic roles & 50–950 ramp

primary

#661D29

secondary

#449B8D

accent

#DFC649

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #661D29

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

Preview Lab → · Contrast checker → · Palette generator →