#661A28#661A28

#661A28 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.108 H 14.2°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#661A28
RGB	rgb(102, 26, 40)
HSL	hsl(349, 59%, 25%)
HSV	hsv(349, 75%, 40%)
CMYK	cmyk(0%, 74.5%, 60.8%, 60%)
CIE-LAB	lab(22.71, 34.75, 10.70)
CIE-LCH	lch(22.71, 36.36, 17.12°)
OKLab	oklab(34.74% 0.1046 0.0266)
OKLCH	oklch(34.74% 0.108 14.2)
XYZ	xyz(6.2325, 3.7176, 2.3965)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A28 #1A6658

analogous

#661A4E #661A28 #66321A

triadic

#661A28 #28661A #1A2866

tetradic

#661A28 #4E661A #1A6658 #321A66

square

#661A28 #4E661A #1A6658 #321A66

split-complementary

#661A28 #1A6632 #1A4E66

monochromatic

#18060A #350E15 #661A28 #97263B #C8334E

Accessibility & contrast

On white

12.05

#661A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#661A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A28

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A28	#FFFFFF	#000000	##FFFFFF
##661A28	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2C28

Deuteranopia (green-blind)

#413C26

Tritanopia (blue-blind)

#700820

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661a28;
/* rgb */ color: rgb(102, 26, 40);
/* oklch */ color: oklch(34.7% 0.108 14.2);

Tailwind

colors: {
  custom: {
    50: '#975d61',
    500: '#661a28',
    950: '#000000',
  },
}

SCSS

$custom: #661a28;
$custom-light: #975d61;
$custom-dark: #000000;

JSON

{
  "hex": "#661a28",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 40
  },
  "hsl": {
    "h": 348.947,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34735,
    "c": 0.10787,
    "h": 14.2
  },
  "luminance": 0.03717
}

Semantic roles & 50–950 ramp

primary

#661A28

secondary

#409C8B

accent

#E3C645

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #661A28

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

Preview Lab → · Contrast checker → · Palette generator →