#661F15#661F15

#661F15 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.0% C 0.104 H 30.9°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#661F15
RGB	rgb(102, 31, 21)
HSL	hsl(7, 66%, 24%)
HSV	hsv(7, 79%, 40%)
CMYK	cmyk(0%, 69.6%, 79.4%, 60%)
CIE-LAB	lab(23.20, 31.27, 23.93)
CIE-LCH	lch(23.20, 39.38, 37.42°)
OKLab	oklab(34.99% 0.0894 0.0535)
OKLCH	oklch(34.99% 0.104 30.9)
XYZ	xyz(6.1055, 3.8598, 1.1328)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F15 #155C66

analogous

#661534 #661F15 #664815

triadic

#661F15 #15661F #1F1566

tetradic

#661F15 #346615 #155C66 #481566

square

#661F15 #346615 #155C66 #481566

split-complementary

#661F15 #156648 #153466

monochromatic

#190805 #33100B #661F15 #992E1F #CC3E2A

Accessibility & contrast

On white

11.85

#661F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#661F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F15

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F15	#FFFFFF	#000000	##FFFFFF
##661F15	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332D13

Deuteranopia (green-blind)

#453D13

Tritanopia (blue-blind)

#710B1D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661f15;
/* rgb */ color: rgb(102, 31, 21);
/* oklch */ color: oklch(35.0% 0.104 30.9);

Tailwind

colors: {
  custom: {
    50: '#985f53',
    500: '#661f15',
    950: '#000000',
  },
}

SCSS

$custom: #661f15;
$custom-light: #985f53;
$custom-dark: #000000;

JSON

{
  "hex": "#661f15",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 21
  },
  "hsl": {
    "h": 7.407,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34989,
    "c": 0.10416,
    "h": 30.9
  },
  "luminance": 0.03859
}

Semantic roles & 50–950 ramp

primary

#661F15

secondary

#3A919D

accent

#D4E93F

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0502

muted

#7F7978

Preview Lab

Preview with #661F15

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

Preview Lab → · Contrast checker → · Palette generator →