#661C2E#661C2E

#661C2E is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.106 H 10.0°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#661C2E
RGB	rgb(102, 28, 46)
HSL	hsl(345, 57%, 25%)
HSV	hsv(345, 73%, 40%)
CMYK	cmyk(0%, 72.5%, 54.9%, 60%)
CIE-LAB	lab(23.18, 34.41, 7.20)
CIE-LCH	lch(23.18, 35.16, 11.82°)
OKLab	oklab(35.13% 0.1044 0.0184)
OKLCH	oklch(35.13% 0.106 10)
XYZ	xyz(6.3884, 3.8534, 2.9916)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C2E #1C6654

analogous

#661C53 #661C2E #662F1C

triadic

#661C2E #2E661C #1C2E66

tetradic

#661C2E #53661C #1C6654 #2F1C66

square

#661C2E #53661C #1C6654 #2F1C66

split-complementary

#661C2E #1C662F #1C5366

monochromatic

#18070B #360F18 #661C2E #962944 #C63659

Accessibility & contrast

On white

11.86

#661C2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#661C2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C2E

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C2E	#FFFFFF	#000000	##FFFFFF
##661C2E	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)

#2E2E2E

Deuteranopia (green-blind)

#413D2C

Tritanopia (blue-blind)

#700E23

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661c2e;
/* rgb */ color: rgb(102, 28, 46);
/* oklch */ color: oklch(35.1% 0.106 10.0);

Tailwind

colors: {
  custom: {
    50: '#965e66',
    500: '#661c2e',
    950: '#000000',
  },
}

SCSS

$custom: #661c2e;
$custom-light: #965e66;
$custom-dark: #000000;

JSON

{
  "hex": "#661c2e",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 46
  },
  "hsl": {
    "h": 345.405,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3513,
    "c": 0.10601,
    "h": 10
  },
  "luminance": 0.03853
}

Semantic roles & 50–950 ramp

primary

#661C2E

secondary

#439B86

accent

#E0BB48

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #661C2E

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

Preview Lab → · Contrast checker → · Palette generator →