#64191C#64191C

#64191C is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.107 H 22.9°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#64191C
RGB	rgb(100, 25, 28)
HSL	hsl(358, 60%, 25%)
HSV	hsv(358, 75%, 39%)
CMYK	cmyk(0%, 75%, 72%, 60.8%)
CIE-LAB	lab(21.91, 33.61, 17.78)
CIE-LCH	lch(21.91, 38.03, 27.87°)
OKLab	oklab(33.98% 0.0987 0.0416)
OKLCH	oklch(33.98% 0.107 22.9)
XYZ	xyz(5.8134, 3.4893, 1.4658)
Luminance	0.0349 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64191C #196461

analogous

#641942 #64191C #643C19

triadic

#64191C #1C6419 #191C64

tetradic

#64191C #426419 #196461 #3C1964

square

#64191C #426419 #196461 #3C1964

split-complementary

#64191C #19643C #194264

monochromatic

#180607 #330D0E #64191C #95252A #C63137

Accessibility & contrast

On white

12.37

#64191C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#64191C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64191C

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64191C	#FFFFFF	#000000	##FFFFFF
##64191C	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A1B

Deuteranopia (green-blind)

#413A1A

Tritanopia (blue-blind)

#6E031B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #64191c;
/* rgb */ color: rgb(100, 25, 28);
/* oklch */ color: oklch(34.0% 0.107 22.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#64191c",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 28
  },
  "hsl": {
    "h": 357.6,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.33977,
    "c": 0.10708,
    "h": 22.9
  },
  "luminance": 0.03488
}

Semantic roles & 50–950 ramp

primary

#64191C

secondary

#3F9A96

accent

#E3DD45

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #64191C

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

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