#661E27#661E27

#661E27 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.103 H 17.0°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#661E27
RGB	rgb(102, 30, 39)
HSL	hsl(353, 55%, 26%)
HSV	hsv(353, 71%, 40%)
CMYK	cmyk(0%, 70.6%, 61.8%, 60%)
CIE-LAB	lab(23.34, 32.89, 12.23)
CIE-LCH	lch(23.34, 35.09, 20.39°)
OKLab	oklab(35.19% 0.0984 0.0301)
OKLCH	oklch(35.19% 0.103 17)
XYZ	xyz(6.3106, 3.9007, 2.3397)
Luminance	0.0390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E27 #1E665D

analogous

#661E4B #661E27 #66391E

triadic

#661E27 #27661E #1E2766

tetradic

#661E27 #4B661E #1E665D #391E66

square

#661E27 #4B661E #1E665D #391E66

split-complementary

#661E27 #1E6639 #1E4B66

monochromatic

#180709 #371015 #661E27 #952C39 #C53A4B

Accessibility & contrast

On white

11.80

#661E27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#661E27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E27

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E27	#FFFFFF	#000000	##FFFFFF
##661E27	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302E27

Deuteranopia (green-blind)

#433D25

Tritanopia (blue-blind)

#700F22

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661e27;
/* rgb */ color: rgb(102, 30, 39);
/* oklch */ color: oklch(35.2% 0.103 17.0);

Tailwind

colors: {
  custom: {
    50: '#975f60',
    500: '#661e27',
    950: '#000000',
  },
}

SCSS

$custom: #661e27;
$custom-light: #975f60;
$custom-dark: #000000;

JSON

{
  "hex": "#661e27",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 39
  },
  "hsl": {
    "h": 352.5,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35193,
    "c": 0.10293,
    "h": 17
  },
  "luminance": 0.039
}

Semantic roles & 50–950 ramp

primary

#661E27

secondary

#459B90

accent

#DECB4A

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #661E27

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

Preview Lab → · Contrast checker → · Palette generator →