#661C2C#661C2C

#661C2C is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.106 H 11.7°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#661C2C
RGB	rgb(102, 28, 44)
HSL	hsl(347, 57%, 25%)
HSV	hsv(347, 73%, 40%)
CMYK	cmyk(0%, 72.5%, 56.9%, 60%)
CIE-LAB	lab(23.13, 34.23, 8.51)
CIE-LCH	lch(23.13, 35.27, 13.96°)
OKLab	oklab(35.07% 0.1035 0.0215)
OKLCH	oklch(35.07% 0.106 11.7)
XYZ	xyz(6.3499, 3.8380, 2.7888)
Luminance	0.0384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C2C #1C6656

analogous

#661C51 #661C2C #66311C

triadic

#661C2C #2C661C #1C2C66

tetradic

#661C2C #51661C #1C6656 #311C66

square

#661C2C #51661C #1C6656 #311C66

split-complementary

#661C2C #1C6631 #1C5166

monochromatic

#18070A #360F17 #661C2C #962941 #C63655

Accessibility & contrast

On white

11.88

#661C2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#661C2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C2C

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C2C	#FFFFFF	#000000	##FFFFFF
##661C2C	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2E2C

Deuteranopia (green-blind)

#413D2A

Tritanopia (blue-blind)

#700D22

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661c2c;
/* rgb */ color: rgb(102, 28, 44);
/* oklch */ color: oklch(35.1% 0.106 11.7);

Tailwind

colors: {
  custom: {
    50: '#965e64',
    500: '#661c2c',
    950: '#000000',
  },
}

SCSS

$custom: #661c2c;
$custom-light: #965e64;
$custom-dark: #000000;

JSON

{
  "hex": "#661c2c",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 44
  },
  "hsl": {
    "h": 347.027,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35074,
    "c": 0.10574,
    "h": 11.7
  },
  "luminance": 0.03837
}

Semantic roles & 50–950 ramp

primary

#661C2C

secondary

#439B88

accent

#E0BF48

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #661C2C

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

Preview Lab → · Contrast checker → · Palette generator →