#64383F#64383F

#64383F is a dark, moderate red. Relative luminance 0.059; OKLCH L 39.7% C 0.063 H 10.1°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#64383F
RGB	rgb(100, 56, 63)
HSL	hsl(350, 28%, 31%)
HSV	hsv(350, 44%, 39%)
CMYK	cmyk(0%, 44%, 37%, 60.8%)
CIE-LAB	lab(29.15, 20.48, 4.18)
CIE-LCH	lch(29.15, 20.90, 11.53°)
OKLab	oklab(39.71% 0.0621 0.0111)
OKLCH	oklch(39.71% 0.063 10.1)
XYZ	xyz(7.5672, 5.8972, 5.4414)
Luminance	0.0590 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64383F #38645D

analogous

#643855 #64383F #644738

triadic

#64383F #3F6438 #383F64

tetradic

#64383F #556438 #38645D #473864

square

#64383F #556438 #38645D #473864

split-complementary

#64383F #386447 #385564

monochromatic

#160C0E #3D2226 #64383F #8B4E58 #AC6B75

Accessibility & contrast

On white

9.64

#64383F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#64383F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64383F

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64383F	#FFFFFF	#000000	##FFFFFF
##64383F	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40403F

Deuteranopia (green-blind)

#4B483E

Tritanopia (blue-blind)

#6B343B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #64383f;
/* rgb */ color: rgb(100, 56, 63);
/* oklch */ color: oklch(39.7% 0.063 10.1);

Tailwind

colors: {
  custom: {
    50: '#926f73',
    500: '#64383f',
    950: '#000000',
  },
}

SCSS

$custom: #64383f;
$custom-light: #926f73;
$custom-dark: #000000;

JSON

{
  "hex": "#64383f",
  "rgb": {
    "r": 100,
    "g": 56,
    "b": 63
  },
  "hsl": {
    "h": 350.455,
    "s": 28.205,
    "l": 30.588
  },
  "oklch": {
    "l": 0.39714,
    "c": 0.06308,
    "h": 10.1
  },
  "luminance": 0.05897
}

Semantic roles & 50–950 ramp

primary

#64383F

secondary

#63948D

accent

#C5B563

background

#F9F6F7

surface

#F1ECED

border

#CBC7C8

text

#0D0708

muted

#7E7A7B

Preview Lab

Preview with #64383F

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

Preview Lab → · Contrast checker → · Palette generator →