#646478#646478

#646478 is a mid, muted blue. Relative luminance 0.132; OKLCH L 51.1% C 0.031 H 285.2°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#646478
RGB	rgb(100, 100, 120)
HSL	hsl(240, 9%, 43%)
HSV	hsv(240, 17%, 47%)
CMYK	cmyk(16.7%, 16.7%, 0%, 52.9%)
CIE-LAB	lab(43.03, 4.49, -11.17)
CIE-LCH	lch(43.03, 12.04, 291.90°)
OKLab	oklab(51.06% 0.0083 -0.0303)
OKLCH	oklch(51.06% 0.031 285.2)
XYZ	xyz(13.2021, 13.1796, 19.6140)
Luminance	0.1318 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646478 #787864

analogous

#646E78 #646478 #6E6478

triadic

#646478 #786464 #647864

tetradic

#646478 #78646E #787864 #64786E

square

#646478 #78646E #787864 #64786E

split-complementary

#646478 #786E64 #6E7864

monochromatic

#2C2C35 #484857 #646478 #828297 #A4A4B3

Accessibility & contrast

On white

5.78

#646478 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#646478 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646478

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646478	#FFFFFF	#000000	##FFFFFF
##646478	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F6679

Deuteranopia (green-blind)

#5F6577

Tritanopia (blue-blind)

#60676B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #646478;
/* rgb */ color: rgb(100, 100, 120);
/* oklch */ color: oklch(51.1% 0.031 285.2);

Tailwind

colors: {
  custom: {
    50: '#90909f',
    500: '#646478',
    950: '#000000',
  },
}

SCSS

$custom: #646478;
$custom-light: #90909f;
$custom-dark: #000000;

JSON

{
  "hex": "#646478",
  "rgb": {
    "r": 100,
    "g": 100,
    "b": 120
  },
  "hsl": {
    "h": 240,
    "s": 9.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.51056,
    "c": 0.03144,
    "h": 285.2
  },
  "luminance": 0.1318
}

Semantic roles & 50–950 ramp

primary

#646478

secondary

#A2A296

accent

#B276B2

background

#F8F8F9

surface

#F0F0F2

border

#CBCBCC

text

#0C0C0E

muted

#7D7D7E

Preview Lab

Preview with #646478

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

Preview Lab → · Contrast checker → · Palette generator →