#64191B#64191B

#64191B is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.107 H 23.6°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#64191B
RGB	rgb(100, 25, 27)
HSL	hsl(358, 60%, 25%)
HSV	hsv(358, 75%, 39%)
CMYK	cmyk(0%, 75%, 73%, 60.8%)
CIE-LAB	lab(21.89, 33.55, 18.43)
CIE-LCH	lch(21.89, 38.28, 28.78°)
OKLab	oklab(33.96% 0.0983 0.0429)
OKLCH	oklch(33.96% 0.107 23.6)
XYZ	xyz(5.8016, 3.4846, 1.4038)
Luminance	0.0348 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64191B #196462

analogous

#641941 #64191B #643D19

triadic

#64191B #1B6419 #191B64

tetradic

#64191B #416419 #196462 #3D1964

square

#64191B #416419 #196462 #3D1964

split-complementary

#64191B #19643D #194164

monochromatic

#180607 #330D0E #64191B #952528 #C63135

Accessibility & contrast

On white

12.38

#64191B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#64191B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64191B

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64191B	#FFFFFF	#000000	##FFFFFF
##64191B	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A1A

Deuteranopia (green-blind)

#413A19

Tritanopia (blue-blind)

#6E021B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #64191b;
/* rgb */ color: rgb(100, 25, 27);
/* oklch */ color: oklch(34.0% 0.107 23.6);

Tailwind

colors: {
  custom: {
    50: '#965c57',
    500: '#64191b',
    950: '#000000',
  },
}

SCSS

$custom: #64191b;
$custom-light: #965c57;
$custom-dark: #000000;

JSON

{
  "hex": "#64191b",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 27
  },
  "hsl": {
    "h": 358.4,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.33959,
    "c": 0.10719,
    "h": 23.6
  },
  "luminance": 0.03484
}

Semantic roles & 50–950 ramp

primary

#64191B

secondary

#3F9A98

accent

#E3DF45

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #64191B

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

Preview Lab → · Contrast checker → · Palette generator →