#661D28#661D28

#661D28 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.104 H 15.6°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#661D28
RGB	rgb(102, 29, 40)
HSL	hsl(351, 56%, 26%)
HSV	hsv(351, 72%, 40%)
CMYK	cmyk(0%, 71.6%, 60.8%, 60%)
CIE-LAB	lab(23.20, 33.43, 11.35)
CIE-LCH	lch(23.20, 35.31, 18.75°)
OKLab	oklab(35.09% 0.1004 0.0281)
OKLCH	oklch(35.09% 0.104 15.6)
XYZ	xyz(6.3024, 3.8576, 2.4198)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D28 #1D665B

analogous

#661D4C #661D28 #66361D

triadic

#661D28 #28661D #1D2866

tetradic

#661D28 #4C661D #1D665B #361D66

square

#661D28 #4C661D #1D665B #361D66

split-complementary

#661D28 #1D6636 #1D4C66

monochromatic

#180709 #360F15 #661D28 #962B3B #C5384D

Accessibility & contrast

On white

11.86

#661D28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#661D28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D28

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D28	#FFFFFF	#000000	##FFFFFF
##661D28	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)

#2F2E28

Deuteranopia (green-blind)

#423D26

Tritanopia (blue-blind)

#700D21

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661d28;
/* rgb */ color: rgb(102, 29, 40);
/* oklch */ color: oklch(35.1% 0.104 15.6);

Tailwind

colors: {
  custom: {
    50: '#975e61',
    500: '#661d28',
    950: '#000000',
  },
}

SCSS

$custom: #661d28;
$custom-light: #975e61;
$custom-dark: #000000;

JSON

{
  "hex": "#661d28",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 40
  },
  "hsl": {
    "h": 350.959,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35092,
    "c": 0.1042,
    "h": 15.6
  },
  "luminance": 0.03857
}

Semantic roles & 50–950 ramp

primary

#661D28

secondary

#449B8E

accent

#DFC849

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #661D28

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

Preview Lab → · Contrast checker → · Palette generator →