#661E28#661E28

#661E28 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.103 H 16.1°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#661E28
RGB	rgb(102, 30, 40)
HSL	hsl(352, 55%, 26%)
HSV	hsv(352, 71%, 40%)
CMYK	cmyk(0%, 70.6%, 60.8%, 60%)
CIE-LAB	lab(23.36, 32.98, 11.57)
CIE-LCH	lch(23.36, 34.95, 19.34°)
OKLab	oklab(35.22% 0.0989 0.0286)
OKLCH	oklch(35.22% 0.103 16.1)
XYZ	xyz(6.3274, 3.9074, 2.4281)
Luminance	0.0391 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E28 #1E665C

analogous

#661E4C #661E28 #66381E

triadic

#661E28 #28661E #1E2866

tetradic

#661E28 #4C661E #1E665C #381E66

square

#661E28 #4C661E #1E665C #381E66

split-complementary

#661E28 #1E6638 #1E4C66

monochromatic

#180709 #371015 #661E28 #952C3B #C53A4D

Accessibility & contrast

On white

11.79

#661E28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#661E28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E28

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E28	#FFFFFF	#000000	##FFFFFF
##661E28	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302E28

Deuteranopia (green-blind)

#423D26

Tritanopia (blue-blind)

#700F22

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661e28;
/* rgb */ color: rgb(102, 30, 40);
/* oklch */ color: oklch(35.2% 0.103 16.1);

Tailwind

colors: {
  custom: {
    50: '#965f61',
    500: '#661e28',
    950: '#000000',
  },
}

SCSS

$custom: #661e28;
$custom-light: #965f61;
$custom-dark: #000000;

JSON

{
  "hex": "#661e28",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 40
  },
  "hsl": {
    "h": 351.667,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35217,
    "c": 0.10295,
    "h": 16.1
  },
  "luminance": 0.03907
}

Semantic roles & 50–950 ramp

primary

#661E28

secondary

#459B8F

accent

#DEC94A

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #661E28

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

Preview Lab → · Contrast checker → · Palette generator →