#661D2F#661D2F

#661D2F is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.105 H 9.5°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#661D2F
RGB	rgb(102, 29, 47)
HSL	hsl(345, 56%, 26%)
HSV	hsv(345, 72%, 40%)
CMYK	cmyk(0%, 71.6%, 53.9%, 60%)
CIE-LAB	lab(23.37, 34.06, 6.78)
CIE-LCH	lch(23.37, 34.73, 11.26°)
OKLab	oklab(35.28% 0.1034 0.0174)
OKLCH	oklch(35.28% 0.105 9.5)
XYZ	xyz(6.4325, 3.9096, 3.1047)
Luminance	0.0391 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D2F #1D6654

analogous

#661D53 #661D2F #662F1D

triadic

#661D2F #2F661D #1D2F66

tetradic

#661D2F #53661D #1D6654 #2F1D66

square

#661D2F #53661D #1D6654 #2F1D66

split-complementary

#661D2F #1D662F #1D5366

monochromatic

#18070B #360F19 #661D2F #962B45 #C5385B

Accessibility & contrast

On white

11.79

#661D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#661D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D2F

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D2F	#FFFFFF	#000000	##FFFFFF
##661D2F	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2E2F

Deuteranopia (green-blind)

#413D2D

Tritanopia (blue-blind)

#701024

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661d2f;
/* rgb */ color: rgb(102, 29, 47);
/* oklch */ color: oklch(35.3% 0.105 9.5);

Tailwind

colors: {
  custom: {
    50: '#965e67',
    500: '#661d2f',
    950: '#000000',
  },
}

SCSS

$custom: #661d2f;
$custom-light: #965e67;
$custom-dark: #000000;

JSON

{
  "hex": "#661d2f",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 47
  },
  "hsl": {
    "h": 345.205,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3528,
    "c": 0.10486,
    "h": 9.5
  },
  "luminance": 0.03909
}

Semantic roles & 50–950 ramp

primary

#661D2F

secondary

#449B85

accent

#DFBA49

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0506

muted

#7E797A

Preview Lab

Preview with #661D2F

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

Preview Lab → · Contrast checker → · Palette generator →