#646ED8#646ED8

#646ED8 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.3% C 0.160 H 276.2°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#646ED8
RGB	rgb(100, 110, 216)
HSL	hsl(235, 60%, 62%)
HSV	hsv(235, 54%, 85%)
CMYK	cmyk(53.7%, 49.1%, 0%, 15.3%)
CIE-LAB	lab(50.47, 26.06, -55.81)
CIE-LCH	lch(50.47, 61.59, 295.03°)
OKLab	oklab(58.31% 0.0173 -0.1592)
OKLCH	oklch(58.31% 0.16 276.2)
XYZ	xyz(23.2222, 18.8175, 67.3609)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646ED8 #D8CE64

analogous

#64A8D8 #646ED8 #9464D8

triadic

#646ED8 #D8646E #6ED864

tetradic

#646ED8 #D864A8 #D8CE64 #64D894

square

#646ED8 #D864A8 #D8CE64 #64D894

split-complementary

#646ED8 #D89464 #A8D864

monochromatic

#27319B #3340CC #646ED8 #959CE4 #C6C9F1

Accessibility & contrast

On white

4.41

#646ED8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#646ED8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646ED8

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646ED8	#FFFFFF	#000000	##000000
##646ED8	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7DDC

Deuteranopia (green-blind)

#2B74D6

Tritanopia (blue-blind)

#2C8699

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #646ed8;
/* rgb */ color: rgb(100, 110, 216);
/* oklch */ color: oklch(58.3% 0.160 276.2);

Tailwind

colors: {
  custom: {
    50: '#9897e5',
    500: '#646ed8',
    950: '#000000',
  },
}

SCSS

$custom: #646ed8;
$custom-light: #9897e5;
$custom-dark: #000000;

JSON

{
  "hex": "#646ed8",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 216
  },
  "hsl": {
    "h": 234.828,
    "s": 59.794,
    "l": 61.961
  },
  "oklch": {
    "l": 0.5831,
    "c": 0.16015,
    "h": 276.2
  },
  "luminance": 0.18819
}

Semantic roles & 50–950 ramp

primary

#646ED8

secondary

#E1DEB7

accent

#B91EC7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #646ED8

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

Preview Lab → · Contrast checker → · Palette generator →