#645751#645751

#645751 is a mid, near-neutral orange. Relative luminance 0.101; OKLCH L 46.8% C 0.020 H 46.3°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#645751
RGB	rgb(100, 87, 81)
HSL	hsl(19, 10%, 35%)
HSV	hsv(19, 19%, 39%)
CMYK	cmyk(0%, 13%, 19%, 60.8%)
CIE-LAB	lab(38.06, 4.20, 5.43)
CIE-LCH	lch(38.06, 6.87, 52.28°)
OKLab	oklab(46.76% 0.0136 0.0142)
OKLCH	oklch(46.76% 0.02 46.3)
XYZ	xyz(10.1489, 10.1201, 9.2017)
Luminance	0.1012 (WCAG relative)
Temperature	neutral
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645751 #515E64

analogous

#645154 #645751 #646051

triadic

#645751 #516457 #575164

tetradic

#645751 #546451 #515E64 #605164

square

#645751 #546451 #515E64 #605164

split-complementary

#645751 #516460 #515464

monochromatic

#201C1A #423A36 #645751 #86746C #A3948D

Accessibility & contrast

On white

6.94

#645751 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#645751 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645751

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645751	#FFFFFF	#000000	##FFFFFF
##645751	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5851

Deuteranopia (green-blind)

#5D5B51

Tritanopia (blue-blind)

#685555

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #645751;
/* rgb */ color: rgb(100, 87, 81);
/* oklch */ color: oklch(46.8% 0.020 46.3);

Tailwind

colors: {
  custom: {
    50: '#908681',
    500: '#645751',
    950: '#000000',
  },
}

SCSS

$custom: #645751;
$custom-light: #908681;
$custom-dark: #000000;

JSON

{
  "hex": "#645751",
  "rgb": {
    "r": 100,
    "g": 87,
    "b": 81
  },
  "hsl": {
    "h": 18.947,
    "s": 10.497,
    "l": 35.49
  },
  "oklch": {
    "l": 0.4676,
    "c": 0.01964,
    "h": 46.3
  },
  "luminance": 0.1012
}

Semantic roles & 50–950 ramp

primary

#645751

secondary

#808C91

accent

#A0B374

background

#F8F8F7

surface

#F0EFEE

border

#CBCAC9

text

#0C0B0A

muted

#7D7C7C

Preview Lab

Preview with #645751

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

Preview Lab → · Contrast checker → · Palette generator →