#661817#661817

#661817 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.2% C 0.111 H 25.9°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#661817
RGB	rgb(102, 24, 23)
HSL	hsl(1, 63%, 25%)
HSV	hsv(1, 77%, 40%)
CMYK	cmyk(0%, 76.5%, 77.5%, 60%)
CIE-LAB	lab(22.09, 34.47, 21.42)
CIE-LCH	lch(22.09, 40.58, 31.85°)
OKLab	oklab(34.17% 0.0999 0.0485)
OKLCH	oklch(34.17% 0.111 25.9)
XYZ	xyz(5.9615, 3.5408, 1.1800)
Luminance	0.0354 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661817 #176566

analogous

#66173E #661817 #663F17

triadic

#661817 #176618 #181766

tetradic

#661817 #3E6617 #176566 #3F1766

square

#661817 #3E6617 #176566 #3F1766

split-complementary

#661817 #17663F #173E66

monochromatic

#190606 #340C0C #661817 #982422 #CA2F2E

Accessibility & contrast

On white

12.30

#661817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#661817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661817

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661817	#FFFFFF	#000000	##FFFFFF
##661817	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A16

Deuteranopia (green-blind)

#423B14

Tritanopia (blue-blind)

#710019

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #661817;
/* rgb */ color: rgb(102, 24, 23);
/* oklch */ color: oklch(34.2% 0.111 25.9);

Tailwind

colors: {
  custom: {
    50: '#985b54',
    500: '#661817',
    950: '#000000',
  },
}

SCSS

$custom: #661817;
$custom-light: #985b54;
$custom-dark: #000000;

JSON

{
  "hex": "#661817",
  "rgb": {
    "r": 102,
    "g": 24,
    "b": 23
  },
  "hsl": {
    "h": 0.759,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34166,
    "c": 0.11106,
    "h": 25.9
  },
  "luminance": 0.0354
}

Semantic roles & 50–950 ramp

primary

#661817

secondary

#3C9B9C

accent

#E4E642

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661817

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

Preview Lab → · Contrast checker → · Palette generator →