#661F28#661F28

#661F28 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.3% C 0.102 H 16.7°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#661F28
RGB	rgb(102, 31, 40)
HSL	hsl(352, 53%, 26%)
HSV	hsv(352, 70%, 40%)
CMYK	cmyk(0%, 69.6%, 60.8%, 60%)
CIE-LAB	lab(23.53, 32.51, 11.80)
CIE-LCH	lch(23.53, 34.59, 19.95°)
OKLab	oklab(35.35% 0.0974 0.0292)
OKLCH	oklch(35.35% 0.102 16.7)
XYZ	xyz(6.3531, 3.9588, 2.4367)
Luminance	0.0396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F28 #1F665D

analogous

#661F4B #661F28 #66391F

triadic

#661F28 #28661F #1F2866

tetradic

#661F28 #4B661F #1F665D #391F66

square

#661F28 #4B661F #1F665D #391F66

split-complementary

#661F28 #1F6639 #1F4B66

monochromatic

#170709 #371116 #661F28 #952D3A #C43C4D

Accessibility & contrast

On white

11.72

#661F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#661F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F28

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F28	#FFFFFF	#000000	##FFFFFF
##661F28	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312F28

Deuteranopia (green-blind)

#433E26

Tritanopia (blue-blind)

#701123

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661f28;
/* rgb */ color: rgb(102, 31, 40);
/* oklch */ color: oklch(35.3% 0.102 16.7);

Tailwind

colors: {
  custom: {
    50: '#965f61',
    500: '#661f28',
    950: '#000000',
  },
}

SCSS

$custom: #661f28;
$custom-light: #965f61;
$custom-dark: #000000;

JSON

{
  "hex": "#661f28",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 40
  },
  "hsl": {
    "h": 352.394,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35346,
    "c": 0.10167,
    "h": 16.7
  },
  "luminance": 0.03958
}

Semantic roles & 50–950 ramp

primary

#661F28

secondary

#469A90

accent

#DDCA4B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #661F28

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

Preview Lab → · Contrast checker → · Palette generator →