#64161C#64161C

#64161C is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.6% C 0.110 H 21.5°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#64161C
RGB	rgb(100, 22, 28)
HSL	hsl(355, 64%, 24%)
HSV	hsv(355, 78%, 39%)
CMYK	cmyk(0%, 78%, 72%, 60.8%)
CIE-LAB	lab(21.46, 34.84, 17.23)
CIE-LCH	lch(21.46, 38.87, 26.31°)
OKLab	oklab(33.65% 0.1026 0.0404)
OKLCH	oklch(33.65% 0.11 21.5)
XYZ	xyz(5.7527, 3.3678, 1.4455)
Luminance	0.0337 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64161C #16645E

analogous

#641643 #64161C #643716

triadic

#64161C #1C6416 #161C64

tetradic

#64161C #436416 #16645E #371664

square

#64161C #436416 #16645E #371664

split-complementary

#64161C #166437 #164364

monochromatic

#190607 #320B0E #64161C #96212A #C82C38

Accessibility & contrast

On white

12.55

#64161C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#64161C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64161C

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64161C	#FFFFFF	#000000	##FFFFFF
##64161C	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291C

Deuteranopia (green-blind)

#403A1A

Tritanopia (blue-blind)

#6E0019

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #64161c;
/* rgb */ color: rgb(100, 22, 28);
/* oklch */ color: oklch(33.6% 0.110 21.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#64161c",
  "rgb": {
    "r": 100,
    "g": 22,
    "b": 28
  },
  "hsl": {
    "h": 355.385,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33645,
    "c": 0.11024,
    "h": 21.5
  },
  "luminance": 0.03367
}

Semantic roles & 50–950 ramp

primary

#64161C

secondary

#3B9B93

accent

#E7DA41

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #64161C

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

Preview Lab → · Contrast checker → · Palette generator →