#641715#641715

#641715 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.6% C 0.110 H 26.6°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#641715
RGB	rgb(100, 23, 21)
HSL	hsl(2, 65%, 24%)
HSV	hsv(2, 79%, 39%)
CMYK	cmyk(0%, 77%, 79%, 60.8%)
CIE-LAB	lab(21.49, 34.07, 21.93)
CIE-LCH	lch(21.49, 40.52, 32.76°)
OKLab	oklab(33.64% 0.0985 0.0492)
OKLCH	oklch(33.64% 0.11 26.6)
XYZ	xyz(5.6979, 3.3771, 1.0611)
Luminance	0.0338 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641715 #156264

analogous

#64153A #641715 #643E15

triadic

#641715 #156417 #171564

tetradic

#641715 #3A6415 #156264 #3E1564

square

#641715 #3A6415 #156264 #3E1564

split-complementary

#641715 #15643E #153A64

monochromatic

#190605 #310B0A #641715 #972320 #C92E2A

Accessibility & contrast

On white

12.54

#641715 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#641715 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641715

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641715	#FFFFFF	#000000	##FFFFFF
##641715	1.00	12.54	1.68	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2914

Deuteranopia (green-blind)

#413A12

Tritanopia (blue-blind)

#6F0017

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #641715;
/* rgb */ color: rgb(100, 23, 21);
/* oklch */ color: oklch(33.6% 0.110 26.6);

Tailwind

colors: {
  custom: {
    50: '#975a52',
    500: '#641715',
    950: '#000000',
  },
}

SCSS

$custom: #641715;
$custom-light: #975a52;
$custom-dark: #000000;

JSON

{
  "hex": "#641715",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 21
  },
  "hsl": {
    "h": 1.519,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33636,
    "c": 0.11008,
    "h": 26.6
  },
  "luminance": 0.03376
}

Semantic roles & 50–950 ramp

primary

#641715

secondary

#3A999B

accent

#E4E840

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641715

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

Preview Lab → · Contrast checker → · Palette generator →