#646874#646874

#646874 is a mid, near-neutral grey. Relative luminance 0.139; OKLCH L 51.8% C 0.020 H 271.0°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#646874
RGB	rgb(100, 104, 116)
HSL	hsl(225, 7%, 42%)
HSV	hsv(225, 14%, 45%)
CMYK	cmyk(13.8%, 10.3%, 0%, 54.5%)
CIE-LAB	lab(44.05, 1.13, -7.23)
CIE-LCH	lch(44.05, 7.32, 278.90°)
OKLab	oklab(51.8% 0.0004 -0.0195)
OKLCH	oklch(51.8% 0.02 271)
XYZ	xyz(13.3575, 13.8707, 18.4932)
Luminance	0.1387 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646874 #747064

analogous

#647074 #646874 #686474

triadic

#646874 #746468 #687464

tetradic

#646874 #746470 #747064 #647468

square

#646874 #746470 #747064 #647468

split-complementary

#646874 #746864 #707464

monochromatic

#2B2D32 #484B53 #646874 #828693 #A3A6B0

Accessibility & contrast

On white

5.56

#646874 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#646874 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646874

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646874	#FFFFFF	#000000	##FFFFFF
##646874	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#656975

Deuteranopia (green-blind)

#646874

Tritanopia (blue-blind)

#606A6C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646874;
/* rgb */ color: rgb(100, 104, 116);
/* oklch */ color: oklch(51.8% 0.020 271.0);

Tailwind

colors: {
  custom: {
    50: '#90939c',
    500: '#646874',
    950: '#000000',
  },
}

SCSS

$custom: #646874;
$custom-light: #90939c;
$custom-dark: #000000;

JSON

{
  "hex": "#646874",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 116
  },
  "hsl": {
    "h": 225,
    "s": 7.407,
    "l": 42.353
  },
  "oklch": {
    "l": 0.51803,
    "c": 0.01951,
    "h": 271
  },
  "luminance": 0.13871
}

Semantic roles & 50–950 ramp

primary

#646874

secondary

#9F9D95

accent

#A277B0

background

#F8F9F9

surface

#F0F1F2

border

#CBCBCC

text

#0C0D0E

muted

#7D7E7E

Preview Lab

Preview with #646874

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

Preview Lab → · Contrast checker → · Palette generator →