#661A10#661A10

#661A10 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.110 H 30.8°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#661A10
RGB	rgb(102, 26, 16)
HSL	hsl(7, 73%, 23%)
HSV	hsv(7, 84%, 40%)
CMYK	cmyk(0%, 74.5%, 84.3%, 60%)
CIE-LAB	lab(22.31, 33.33, 25.99)
CIE-LCH	lch(22.31, 42.26, 37.94°)
OKLab	oklab(34.3% 0.0947 0.0565)
OKLCH	oklch(34.3% 0.11 30.8)
XYZ	xyz(5.9431, 3.6019, 0.8724)
Luminance	0.0360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A10 #105C66

analogous

#661031 #661A10 #664510

triadic

#661A10 #10661A #1A1066

tetradic

#661A10 #316610 #105C66 #451066

square

#661A10 #316610 #105C66 #451066

split-complementary

#661A10 #106645 #103166

monochromatic

#1A0704 #310D08 #661A10 #9B2718 #D03521

Accessibility & contrast

On white

12.21

#661A10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#661A10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A10

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A10	#FFFFFF	#000000	##FFFFFF
##661A10	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302B0E

Deuteranopia (green-blind)

#433B0D

Tritanopia (blue-blind)

#710018

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #661a10;
/* rgb */ color: rgb(102, 26, 16);
/* oklch */ color: oklch(34.3% 0.110 30.8);

Tailwind

colors: {
  custom: {
    50: '#995c4f',
    500: '#661a10',
    950: '#000000',
  },
}

SCSS

$custom: #661a10;
$custom-light: #995c4f;
$custom-dark: #000000;

JSON

{
  "hex": "#661a10",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 16
  },
  "hsl": {
    "h": 6.977,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34301,
    "c": 0.11028,
    "h": 30.8
  },
  "luminance": 0.03601
}

Semantic roles & 50–950 ramp

primary

#661A10

secondary

#33929E

accent

#DAF038

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661A10

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

Preview Lab → · Contrast checker → · Palette generator →