#64182B#64182B

#64182B is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.2% C 0.108 H 10.4°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#64182B
RGB	rgb(100, 24, 43)
HSL	hsl(345, 61%, 24%)
HSV	hsv(345, 76%, 39%)
CMYK	cmyk(0%, 76%, 57%, 60.8%)
CIE-LAB	lab(22.08, 35.15, 7.69)
CIE-LCH	lch(22.08, 35.98, 12.34°)
OKLab	oklab(34.21% 0.1066 0.0195)
OKLCH	oklch(34.21% 0.108 10.4)
XYZ	xyz(6.0188, 3.5378, 2.6510)
Luminance	0.0354 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64182B #186451

analogous

#641851 #64182B #642B18

triadic

#64182B #2B6418 #182B64

tetradic

#64182B #516418 #186451 #2B1864

square

#64182B #516418 #186451 #2B1864

split-complementary

#64182B #18642B #185164

monochromatic

#19060B #330C16 #64182B #952440 #C73055

Accessibility & contrast

On white

12.30

#64182B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#64182B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64182B

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64182B	#FFFFFF	#000000	##FFFFFF
##64182B	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2B2B

Deuteranopia (green-blind)

#3F3A29

Tritanopia (blue-blind)

#6E0720

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #64182b;
/* rgb */ color: rgb(100, 24, 43);
/* oklch */ color: oklch(34.2% 0.108 10.4);

Tailwind

colors: {
  custom: {
    50: '#955c64',
    500: '#64182b',
    950: '#000000',
  },
}

SCSS

$custom: #64182b;
$custom-light: #955c64;
$custom-dark: #000000;

JSON

{
  "hex": "#64182b",
  "rgb": {
    "r": 100,
    "g": 24,
    "b": 43
  },
  "hsl": {
    "h": 345,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34213,
    "c": 0.10835,
    "h": 10.4
  },
  "luminance": 0.03537
}

Semantic roles & 50–950 ramp

primary

#64182B

secondary

#3E9A83

accent

#E4BC43

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #64182B

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

Preview Lab → · Contrast checker → · Palette generator →