#661D27#661D27

#661D27 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.104 H 16.5°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#661D27
RGB	rgb(102, 29, 39)
HSL	hsl(352, 56%, 26%)
HSV	hsv(352, 72%, 40%)
CMYK	cmyk(0%, 71.6%, 61.8%, 60%)
CIE-LAB	lab(23.17, 33.35, 12.00)
CIE-LCH	lch(23.17, 35.44, 19.79°)
OKLab	oklab(35.07% 0.0999 0.0296)
OKLCH	oklch(35.07% 0.104 16.5)
XYZ	xyz(6.2857, 3.8509, 2.3314)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D27 #1D665C

analogous

#661D4B #661D27 #66371D

triadic

#661D27 #27661D #1D2766

tetradic

#661D27 #4B661D #1D665C #371D66

square

#661D27 #4B661D #1D665C #371D66

split-complementary

#661D27 #1D6637 #1D4B66

monochromatic

#180709 #360F15 #661D27 #962B39 #C5384B

Accessibility & contrast

On white

11.86

#661D27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#661D27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D27

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D27	#FFFFFF	#000000	##FFFFFF
##661D27	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302E27

Deuteranopia (green-blind)

#423D25

Tritanopia (blue-blind)

#700D21

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661d27;
/* rgb */ color: rgb(102, 29, 39);
/* oklch */ color: oklch(35.1% 0.104 16.5);

Tailwind

colors: {
  custom: {
    50: '#975e60',
    500: '#661d27',
    950: '#000000',
  },
}

SCSS

$custom: #661d27;
$custom-light: #975e60;
$custom-dark: #000000;

JSON

{
  "hex": "#661d27",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 39
  },
  "hsl": {
    "h": 351.781,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35068,
    "c": 0.10418,
    "h": 16.5
  },
  "luminance": 0.0385
}

Semantic roles & 50–950 ramp

primary

#661D27

secondary

#449B8F

accent

#DFCA49

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #661D27

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

Preview Lab → · Contrast checker → · Palette generator →