#661F17#661F17

#661F17 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.0% C 0.104 H 29.6°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#661F17
RGB	rgb(102, 31, 23)
HSL	hsl(6, 63%, 25%)
HSV	hsv(6, 77%, 40%)
CMYK	cmyk(0%, 69.6%, 77.5%, 60%)
CIE-LAB	lab(23.23, 31.37, 22.71)
CIE-LCH	lch(23.23, 38.72, 35.90°)
OKLab	oklab(35.02% 0.0902 0.0513)
OKLCH	oklch(35.02% 0.104 29.6)
XYZ	xyz(6.1248, 3.8675, 1.2344)
Luminance	0.0387 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F17 #175E66

analogous

#661737 #661F17 #664717

triadic

#661F17 #17661F #1F1766

tetradic

#661F17 #376617 #175E66 #471766

square

#661F17 #376617 #175E66 #471766

split-complementary

#661F17 #176647 #173766

monochromatic

#190806 #34100C #661F17 #982E22 #CA3D2E

Accessibility & contrast

On white

11.84

#661F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#661F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F17

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F17	#FFFFFF	#000000	##FFFFFF
##661F17	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E16

Deuteranopia (green-blind)

#443D15

Tritanopia (blue-blind)

#710C1E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661f17;
/* rgb */ color: rgb(102, 31, 23);
/* oklch */ color: oklch(35.0% 0.104 29.6);

Tailwind

colors: {
  custom: {
    50: '#985f54',
    500: '#661f17',
    950: '#000000',
  },
}

SCSS

$custom: #661f17;
$custom-light: #985f54;
$custom-dark: #000000;

JSON

{
  "hex": "#661f17",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 23
  },
  "hsl": {
    "h": 6.076,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.35017,
    "c": 0.10373,
    "h": 29.6
  },
  "luminance": 0.03867
}

Semantic roles & 50–950 ramp

primary

#661F17

secondary

#3C939C

accent

#D6E642

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0502

muted

#7F7978

Preview Lab

Preview with #661F17

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

Preview Lab → · Contrast checker → · Palette generator →