#661F19#661F19

#661F19 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.0% C 0.103 H 28.3°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#661F19
RGB	rgb(102, 31, 25)
HSL	hsl(5, 61%, 25%)
HSV	hsv(5, 75%, 40%)
CMYK	cmyk(0%, 69.6%, 75.5%, 60%)
CIE-LAB	lab(23.26, 31.47, 21.46)
CIE-LCH	lch(23.26, 38.10, 34.29°)
OKLab	oklab(35.05% 0.091 0.049)
OKLCH	oklch(35.05% 0.103 28.3)
XYZ	xyz(6.1456, 3.8758, 1.3440)
Luminance	0.0387 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F19 #196066

analogous

#66193A #661F19 #664519

triadic

#661F19 #19661F #1F1966

tetradic

#661F19 #3A6619 #196066 #451966

square

#661F19 #3A6619 #196066 #451966

split-complementary

#661F19 #196645 #193A66

monochromatic

#190706 #35100D #661F19 #972E25 #C83D31

Accessibility & contrast

On white

11.83

#661F19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#661F19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F19

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F19	#FFFFFF	#000000	##FFFFFF
##661F19	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E18

Deuteranopia (green-blind)

#443D17

Tritanopia (blue-blind)

#710C1E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661f19;
/* rgb */ color: rgb(102, 31, 25);
/* oklch */ color: oklch(35.0% 0.103 28.3);

Tailwind

colors: {
  custom: {
    50: '#985f56',
    500: '#661f19',
    950: '#000000',
  },
}

SCSS

$custom: #661f19;
$custom-light: #985f56;
$custom-dark: #000000;

JSON

{
  "hex": "#661f19",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 25
  },
  "hsl": {
    "h": 4.675,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35047,
    "c": 0.10333,
    "h": 28.3
  },
  "luminance": 0.03875
}

Semantic roles & 50–950 ramp

primary

#661F19

secondary

#3F959C

accent

#D7E444

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0503

muted

#7E7978

Preview Lab

Preview with #661F19

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

Preview Lab → · Contrast checker → · Palette generator →