#661E19#661E19

#661E19 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.104 H 27.7°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#661E19
RGB	rgb(102, 30, 25)
HSL	hsl(4, 61%, 25%)
HSV	hsv(4, 75%, 40%)
CMYK	cmyk(0%, 70.6%, 75.5%, 60%)
CIE-LAB	lab(23.08, 31.95, 21.26)
CIE-LCH	lch(23.08, 38.37, 33.64°)
OKLab	oklab(34.92% 0.0924 0.0486)
OKLCH	oklch(34.92% 0.104 27.7)
XYZ	xyz(6.1199, 3.8244, 1.3354)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E19 #196166

analogous

#66193B #661E19 #664419

triadic

#661E19 #19661E #1E1966

tetradic

#661E19 #3B6619 #196166 #441966

square

#661E19 #3B6619 #196166 #441966

split-complementary

#661E19 #196644 #193B66

monochromatic

#190706 #35100D #661E19 #972C25 #C83B31

Accessibility & contrast

On white

11.90

#661E19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#661E19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E19

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E19	#FFFFFF	#000000	##FFFFFF
##661E19	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D18

Deuteranopia (green-blind)

#443D17

Tritanopia (blue-blind)

#710A1D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661e19;
/* rgb */ color: rgb(102, 30, 25);
/* oklch */ color: oklch(34.9% 0.104 27.7);

Tailwind

colors: {
  custom: {
    50: '#985e56',
    500: '#661e19',
    950: '#000000',
  },
}

SCSS

$custom: #661e19;
$custom-light: #985e56;
$custom-dark: #000000;

JSON

{
  "hex": "#661e19",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 25
  },
  "hsl": {
    "h": 3.896,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34917,
    "c": 0.10443,
    "h": 27.7
  },
  "luminance": 0.03824
}

Semantic roles & 50–950 ramp

primary

#661E19

secondary

#3F969C

accent

#D9E444

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0503

muted

#7E7978

Preview Lab

Preview with #661E19

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

Preview Lab → · Contrast checker → · Palette generator →