#644A5C#644A5C

#644A5C is a dark, muted pink. Relative luminance 0.084; OKLCH L 44.3% C 0.044 H 338.0°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#644A5C
RGB	rgb(100, 74, 92)
HSL	hsl(318, 15%, 34%)
HSV	hsv(318, 26%, 39%)
CMYK	cmyk(0%, 26%, 8%, 60.8%)
CIE-LAB	lab(34.76, 14.34, -6.28)
CIE-LCH	lch(34.76, 15.66, 336.35°)
OKLab	oklab(44.32% 0.0412 -0.0167)
OKLCH	oklch(44.32% 0.044 338)
XYZ	xyz(9.6360, 8.3799, 11.2330)
Luminance	0.0838 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A5C #4A6452

analogous

#5F4A64 #644A5C #644A4F

triadic

#644A5C #5C644A #4A5C64

tetradic

#644A5C #645F4A #4A6452 #4A4F64

square

#644A5C #645F4A #4A6452 #4A4F64

split-complementary

#644A5C #4F644A #4A645F

monochromatic

#1E161B #41303C #644A5C #87647C #A4849A

Accessibility & contrast

On white

7.85

#644A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#644A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A5C

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A5C	#FFFFFF	#000000	##FFFFFF
##644A5C	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4F5D

Deuteranopia (green-blind)

#51535B

Tritanopia (blue-blind)

#674B50

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644a5c;
/* rgb */ color: rgb(100, 74, 92);
/* oklch */ color: oklch(44.3% 0.044 338.0);

Tailwind

colors: {
  custom: {
    50: '#907c8a',
    500: '#644a5c',
    950: '#000000',
  },
}

SCSS

$custom: #644a5c;
$custom-light: #907c8a;
$custom-dark: #000000;

JSON

{
  "hex": "#644a5c",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 92
  },
  "hsl": {
    "h": 318.462,
    "s": 14.943,
    "l": 34.118
  },
  "oklch": {
    "l": 0.44316,
    "c": 0.04448,
    "h": 338
  },
  "luminance": 0.0838
}

Semantic roles & 50–950 ramp

primary

#644A5C

secondary

#789280

accent

#B88670

background

#F8F7F8

surface

#F0EEF0

border

#CBC9CB

text

#0C090B

muted

#7D7B7C

Preview Lab

Preview with #644A5C

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

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