#661A2B#661A2B

#661A2B is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.8% C 0.108 H 11.7°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#661A2B
RGB	rgb(102, 26, 43)
HSL	hsl(347, 59%, 25%)
HSV	hsv(347, 75%, 40%)
CMYK	cmyk(0%, 74.5%, 57.8%, 60%)
CIE-LAB	lab(22.79, 35.00, 8.73)
CIE-LCH	lch(22.79, 36.08, 14.00°)
OKLab	oklab(34.81% 0.1059 0.022)
OKLCH	oklch(34.81% 0.108 11.7)
XYZ	xyz(6.2855, 3.7388, 2.6757)
Luminance	0.0374 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A2B #1A6655

analogous

#661A51 #661A2B #662F1A

triadic

#661A2B #2B661A #1A2B66

tetradic

#661A2B #51661A #1A6655 #2F1A66

square

#661A2B #51661A #1A6655 #2F1A66

split-complementary

#661A2B #1A662F #1A5166

monochromatic

#18060A #350E16 #661A2B #972640 #C83354

Accessibility & contrast

On white

12.02

#661A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#661A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A2B

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A2B	#FFFFFF	#000000	##FFFFFF
##661A2B	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2D2B

Deuteranopia (green-blind)

#413C29

Tritanopia (blue-blind)

#700921

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661a2b;
/* rgb */ color: rgb(102, 26, 43);
/* oklch */ color: oklch(34.8% 0.108 11.7);

Tailwind

colors: {
  custom: {
    50: '#965d64',
    500: '#661a2b',
    950: '#000000',
  },
}

SCSS

$custom: #661a2b;
$custom-light: #965d64;
$custom-dark: #000000;

JSON

{
  "hex": "#661a2b",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 43
  },
  "hsl": {
    "h": 346.579,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34813,
    "c": 0.10813,
    "h": 11.7
  },
  "luminance": 0.03738
}

Semantic roles & 50–950 ramp

primary

#661A2B

secondary

#409C87

accent

#E3BF45

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #661A2B

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

Preview Lab → · Contrast checker → · Palette generator →