#661510#661510

#661510 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.115 H 28.5°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#661510
RGB	rgb(102, 21, 16)
HSL	hsl(3, 73%, 23%)
HSV	hsv(3, 84%, 40%)
CMYK	cmyk(0%, 79.4%, 84.3%, 60%)
CIE-LAB	lab(21.58, 35.35, 25.21)
CIE-LCH	lch(21.58, 43.42, 35.49°)
OKLab	oklab(33.76% 0.1011 0.0548)
OKLCH	oklch(33.76% 0.115 28.5)
XYZ	xyz(5.8419, 3.3994, 0.8387)
Luminance	0.0340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661510 #106166

analogous

#661036 #661510 #664010

triadic

#661510 #106615 #151066

tetradic

#661510 #366610 #106166 #401066

square

#661510 #366610 #106166 #401066

split-complementary

#661510 #106640 #103666

monochromatic

#1A0504 #310A08 #661510 #9B2018 #D02B21

Accessibility & contrast

On white

12.50

#661510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#661510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661510

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661510	#FFFFFF	#000000	##FFFFFF
##661510	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E280E

Deuteranopia (green-blind)

#423A0C

Tritanopia (blue-blind)

#710015

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #661510;
/* rgb */ color: rgb(102, 21, 16);
/* oklch */ color: oklch(33.8% 0.115 28.5);

Tailwind

colors: {
  custom: {
    50: '#995a4f',
    500: '#661510',
    950: '#000000',
  },
}

SCSS

$custom: #661510;
$custom-light: #995a4f;
$custom-dark: #000000;

JSON

{
  "hex": "#661510",
  "rgb": {
    "r": 102,
    "g": 21,
    "b": 16
  },
  "hsl": {
    "h": 3.488,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33755,
    "c": 0.11497,
    "h": 28.5
  },
  "luminance": 0.03399
}

Semantic roles & 50–950 ramp

primary

#661510

secondary

#33989E

accent

#E5F038

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661510

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

Preview Lab → · Contrast checker → · Palette generator →