#645456#645456

#645456 is a mid, muted red. Relative luminance 0.097; OKLCH L 46.2% C 0.021 H 9.4°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#645456
RGB	rgb(100, 84, 86)
HSL	hsl(353, 9%, 36%)
HSV	hsv(353, 16%, 39%)
CMYK	cmyk(0%, 16%, 14%, 60.8%)
CIE-LAB	lab(37.34, 6.96, 1.29)
CIE-LCH	lch(37.34, 7.08, 10.50°)
OKLab	oklab(46.25% 0.0211 0.0035)
OKLCH	oklch(46.25% 0.021 9.4)
XYZ	xyz(10.1055, 9.7221, 10.1465)
Luminance	0.0972 (WCAG relative)
Temperature	neutral
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645456 #546462

analogous

#64545E #645456 #645A54

triadic

#645456 #566454 #545664

tetradic

#645456 #5E6454 #546462 #5A5464

square

#645456 #5E6454 #546462 #5A5464

split-complementary

#645456 #54645A #545E64

monochromatic

#211C1D #433839 #645456 #857073 #A29093

Accessibility & contrast

On white

7.13

#645456 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#645456 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645456

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645456	#FFFFFF	#000000	##FFFFFF
##645456	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565656

Deuteranopia (green-blind)

#5A5956

Tritanopia (blue-blind)

#675355

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #645456;
/* rgb */ color: rgb(100, 84, 86);
/* oklch */ color: oklch(46.2% 0.021 9.4);

Tailwind

colors: {
  custom: {
    50: '#908485',
    500: '#645456',
    950: '#000000',
  },
}

SCSS

$custom: #645456;
$custom-light: #908485;
$custom-dark: #000000;

JSON

{
  "hex": "#645456",
  "rgb": {
    "r": 100,
    "g": 84,
    "b": 86
  },
  "hsl": {
    "h": 352.5,
    "s": 8.696,
    "l": 36.078
  },
  "oklch": {
    "l": 0.46246,
    "c": 0.02136,
    "h": 9.4
  },
  "luminance": 0.09722
}

Semantic roles & 50–950 ramp

primary

#645456

secondary

#83918F

accent

#B2AA76

background

#F8F8F8

surface

#F0EFEF

border

#CBCACA

text

#0C0A0B

muted

#7D7C7C

Preview Lab

Preview with #645456

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

Preview Lab → · Contrast checker → · Palette generator →