#661815#661815

#661815 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.1% C 0.111 H 27.1°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#661815
RGB	rgb(102, 24, 21)
HSL	hsl(2, 66%, 24%)
HSV	hsv(2, 79%, 40%)
CMYK	cmyk(0%, 76.5%, 79.4%, 60%)
CIE-LAB	lab(22.06, 34.38, 22.68)
CIE-LCH	lch(22.06, 41.18, 33.41°)
OKLab	oklab(34.14% 0.0992 0.0507)
OKLCH	oklch(34.14% 0.111 27.1)
XYZ	xyz(5.9422, 3.5331, 1.0784)
Luminance	0.0353 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661815 #156366

analogous

#66153B #661815 #664115

triadic

#661815 #156618 #181566

tetradic

#661815 #3B6615 #156366 #411566

square

#661815 #3B6615 #156366 #411566

split-complementary

#661815 #156641 #153B66

monochromatic

#190605 #330C0B #661815 #99241F #CC302A

Accessibility & contrast

On white

12.31

#661815 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#661815 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661815

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661815	#FFFFFF	#000000	##FFFFFF
##661815	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A14

Deuteranopia (green-blind)

#423B12

Tritanopia (blue-blind)

#710018

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #661815;
/* rgb */ color: rgb(102, 24, 21);
/* oklch */ color: oklch(34.1% 0.111 27.1);

Tailwind

colors: {
  custom: {
    50: '#985b52',
    500: '#661815',
    950: '#000000',
  },
}

SCSS

$custom: #661815;
$custom-light: #985b52;
$custom-dark: #000000;

JSON

{
  "hex": "#661815",
  "rgb": {
    "r": 102,
    "g": 24,
    "b": 21
  },
  "hsl": {
    "h": 2.222,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34137,
    "c": 0.11137,
    "h": 27.1
  },
  "luminance": 0.03532
}

Semantic roles & 50–950 ramp

primary

#661815

secondary

#3A999D

accent

#E3E93F

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661815

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

Preview Lab → · Contrast checker → · Palette generator →