#64161D#64161D

#64161D is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.110 H 20.8°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#64161D
RGB	rgb(100, 22, 29)
HSL	hsl(355, 64%, 24%)
HSV	hsv(355, 78%, 39%)
CMYK	cmyk(0%, 78%, 71%, 60.8%)
CIE-LAB	lab(21.48, 34.90, 16.57)
CIE-LCH	lch(21.48, 38.64, 25.40°)
OKLab	oklab(33.67% 0.103 0.0391)
OKLCH	oklch(33.67% 0.11 20.8)
XYZ	xyz(5.7648, 3.3727, 1.5096)
Luminance	0.0337 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64161D #16645D

analogous

#641644 #64161D #643616

triadic

#64161D #1D6416 #161D64

tetradic

#64161D #446416 #16645D #361664

square

#64161D #446416 #16645D #361664

split-complementary

#64161D #166436 #164464

monochromatic

#190607 #320B0E #64161D #96212C #C82C3A

Accessibility & contrast

On white

12.54

#64161D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#64161D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64161D

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64161D	#FFFFFF	#000000	##FFFFFF
##64161D	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291D

Deuteranopia (green-blind)

#403A1B

Tritanopia (blue-blind)

#6E0019

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #64161d;
/* rgb */ color: rgb(100, 22, 29);
/* oklch */ color: oklch(33.7% 0.110 20.8);

Tailwind

colors: {
  custom: {
    50: '#965a58',
    500: '#64161d',
    950: '#000000',
  },
}

SCSS

$custom: #64161d;
$custom-light: #965a58;
$custom-dark: #000000;

JSON

{
  "hex": "#64161d",
  "rgb": {
    "r": 100,
    "g": 22,
    "b": 29
  },
  "hsl": {
    "h": 354.615,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33665,
    "c": 0.11016,
    "h": 20.8
  },
  "luminance": 0.03372
}

Semantic roles & 50–950 ramp

primary

#64161D

secondary

#3B9B92

accent

#E7D841

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #64161D

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

Preview Lab → · Contrast checker → · Palette generator →