#661D24#661D24

#661D24 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.104 H 19.0°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#661D24
RGB	rgb(102, 29, 36)
HSL	hsl(354, 56%, 26%)
HSV	hsv(354, 72%, 40%)
CMYK	cmyk(0%, 71.6%, 64.7%, 60%)
CIE-LAB	lab(23.11, 33.12, 13.96)
CIE-LCH	lch(23.11, 35.94, 22.86°)
OKLab	oklab(35% 0.0986 0.0339)
OKLCH	oklch(35% 0.104 19)
XYZ	xyz(6.2379, 3.8318, 2.0799)
Luminance	0.0383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D24 #1D665F

analogous

#661D48 #661D24 #663A1D

triadic

#661D24 #24661D #1D2466

tetradic

#661D24 #48661D #1D665F #3A1D66

square

#661D24 #48661D #1D665F #3A1D66

split-complementary

#661D24 #1D663A #1D4866

monochromatic

#180708 #360F13 #661D24 #962B35 #C53846

Accessibility & contrast

On white

11.89

#661D24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#661D24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D24

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D24	#FFFFFF	#000000	##FFFFFF
##661D24	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302D24

Deuteranopia (green-blind)

#433D22

Tritanopia (blue-blind)

#700C20

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661d24;
/* rgb */ color: rgb(102, 29, 36);
/* oklch */ color: oklch(35.0% 0.104 19.0);

Tailwind

colors: {
  custom: {
    50: '#975e5e',
    500: '#661d24',
    950: '#000000',
  },
}

SCSS

$custom: #661d24;
$custom-light: #975e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#661d24",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 36
  },
  "hsl": {
    "h": 354.247,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34998,
    "c": 0.10424,
    "h": 19
  },
  "luminance": 0.03831
}

Semantic roles & 50–950 ramp

primary

#661D24

secondary

#449B93

accent

#DFD149

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0504

muted

#7E7979

Preview Lab

Preview with #661D24

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

Preview Lab → · Contrast checker → · Palette generator →