#661A2A#661A2A

#661A2A is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.8% C 0.108 H 12.6°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#661A2A
RGB	rgb(102, 26, 42)
HSL	hsl(347, 59%, 25%)
HSV	hsv(347, 75%, 40%)
CMYK	cmyk(0%, 74.5%, 58.8%, 60%)
CIE-LAB	lab(22.76, 34.92, 9.39)
CIE-LCH	lch(22.76, 36.16, 15.05°)
OKLab	oklab(34.79% 0.1054 0.0235)
OKLCH	oklch(34.79% 0.108 12.6)
XYZ	xyz(6.2674, 3.7316, 2.5803)
Luminance	0.0373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A2A #1A6656

analogous

#661A50 #661A2A #66301A

triadic

#661A2A #2A661A #1A2A66

tetradic

#661A2A #50661A #1A6656 #301A66

square

#661A2A #50661A #1A6656 #301A66

split-complementary

#661A2A #1A6630 #1A5066

monochromatic

#18060A #350E16 #661A2A #97263E #C83352

Accessibility & contrast

On white

12.03

#661A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#661A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A2A

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A2A	#FFFFFF	#000000	##FFFFFF
##661A2A	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2C2A

Deuteranopia (green-blind)

#413C28

Tritanopia (blue-blind)

#700920

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661a2a;
/* rgb */ color: rgb(102, 26, 42);
/* oklch */ color: oklch(34.8% 0.108 12.6);

Tailwind

colors: {
  custom: {
    50: '#975d63',
    500: '#661a2a',
    950: '#000000',
  },
}

SCSS

$custom: #661a2a;
$custom-light: #975d63;
$custom-dark: #000000;

JSON

{
  "hex": "#661a2a",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 42
  },
  "hsl": {
    "h": 347.368,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34786,
    "c": 0.10802,
    "h": 12.6
  },
  "luminance": 0.03731
}

Semantic roles & 50–950 ramp

primary

#661A2A

secondary

#409C88

accent

#E3C145

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #661A2A

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

Preview Lab → · Contrast checker → · Palette generator →