#64191D#64191D

#64191D is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.107 H 22.1°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#64191D
RGB	rgb(100, 25, 29)
HSL	hsl(357, 60%, 25%)
HSV	hsv(357, 75%, 39%)
CMYK	cmyk(0%, 75%, 71%, 60.8%)
CIE-LAB	lab(21.92, 33.68, 17.12)
CIE-LCH	lch(21.92, 37.78, 26.95°)
OKLab	oklab(34% 0.0991 0.0403)
OKLCH	oklch(34% 0.107 22.1)
XYZ	xyz(5.8256, 3.4941, 1.5298)
Luminance	0.0349 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64191D #196460

analogous

#641943 #64191D #643B19

triadic

#64191D #1D6419 #191D64

tetradic

#64191D #436419 #196460 #3B1964

square

#64191D #436419 #196460 #3B1964

split-complementary

#64191D #19643B #194364

monochromatic

#180607 #330D0F #64191D #95252B #C63139

Accessibility & contrast

On white

12.36

#64191D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#64191D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64191D

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64191D	#FFFFFF	#000000	##FFFFFF
##64191D	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A1D

Deuteranopia (green-blind)

#413A1B

Tritanopia (blue-blind)

#6E031B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #64191d;
/* rgb */ color: rgb(100, 25, 29);
/* oklch */ color: oklch(34.0% 0.107 22.1);

Tailwind

colors: {
  custom: {
    50: '#965c58',
    500: '#64191d',
    950: '#000000',
  },
}

SCSS

$custom: #64191d;
$custom-light: #965c58;
$custom-dark: #000000;

JSON

{
  "hex": "#64191d",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 29
  },
  "hsl": {
    "h": 356.8,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.33996,
    "c": 0.10698,
    "h": 22.1
  },
  "luminance": 0.03493
}

Semantic roles & 50–950 ramp

primary

#64191D

secondary

#3F9A95

accent

#E3DB45

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #64191D

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

Preview Lab → · Contrast checker → · Palette generator →