#661D2E#661D2E

#661D2E is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.105 H 10.4°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#661D2E
RGB	rgb(102, 29, 46)
HSL	hsl(346, 56%, 26%)
HSV	hsv(346, 72%, 40%)
CMYK	cmyk(0%, 71.6%, 54.9%, 60%)
CIE-LAB	lab(23.34, 33.96, 7.43)
CIE-LCH	lch(23.34, 34.77, 12.34°)
OKLab	oklab(35.25% 0.103 0.019)
OKLCH	oklch(35.25% 0.105 10.4)
XYZ	xyz(6.4125, 3.9016, 2.9996)
Luminance	0.0390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D2E #1D6655

analogous

#661D52 #661D2E #66301D

triadic

#661D2E #2E661D #1D2E66

tetradic

#661D2E #52661D #1D6655 #301D66

square

#661D2E #52661D #1D6655 #301D66

split-complementary

#661D2E #1D6630 #1D5266

monochromatic

#18070B #360F19 #661D2E #962B43 #C53859

Accessibility & contrast

On white

11.80

#661D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#661D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D2E

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D2E	#FFFFFF	#000000	##FFFFFF
##661D2E	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)

#2E2E2E

Deuteranopia (green-blind)

#413D2C

Tritanopia (blue-blind)

#701024

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661d2e;
/* rgb */ color: rgb(102, 29, 46);
/* oklch */ color: oklch(35.3% 0.105 10.4);

Tailwind

colors: {
  custom: {
    50: '#965e66',
    500: '#661d2e',
    950: '#000000',
  },
}

SCSS

$custom: #661d2e;
$custom-light: #965e66;
$custom-dark: #000000;

JSON

{
  "hex": "#661d2e",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 46
  },
  "hsl": {
    "h": 346.027,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35251,
    "c": 0.10471,
    "h": 10.4
  },
  "luminance": 0.03901
}

Semantic roles & 50–950 ramp

primary

#661D2E

secondary

#449B87

accent

#DFBC49

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #661D2E

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

Preview Lab → · Contrast checker → · Palette generator →