#646ED9#646ED9

#646ED9 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.4% C 0.162 H 276.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#646ED9
RGB	rgb(100, 110, 217)
HSL	hsl(235, 61%, 62%)
HSV	hsv(235, 54%, 85%)
CMYK	cmyk(53.9%, 49.3%, 0%, 14.9%)
CIE-LAB	lab(50.53, 26.37, -56.28)
CIE-LCH	lch(50.53, 62.15, 295.11°)
OKLab	oklab(58.38% 0.0174 -0.1606)
OKLCH	oklch(58.38% 0.162 276.2)
XYZ	xyz(23.3519, 18.8694, 68.0438)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646ED9 #D9CF64

analogous

#64A8D9 #646ED9 #9564D9

triadic

#646ED9 #D9646E #6ED964

tetradic

#646ED9 #D964A8 #D9CF64 #64D995

square

#646ED9 #D964A8 #D9CF64 #64D995

split-complementary

#646ED9 #D99564 #A8D964

monochromatic

#26309C #3340CD #646ED9 #959CE5 #C6CAF1

Accessibility & contrast

On white

4.40

#646ED9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#646ED9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646ED9

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646ED9	#FFFFFF	#000000	##000000
##646ED9	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397DDD

Deuteranopia (green-blind)

#2A74D7

Tritanopia (blue-blind)

#2B8699

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #646ed9;
/* rgb */ color: rgb(100, 110, 217);
/* oklch */ color: oklch(58.4% 0.162 276.2);

Tailwind

colors: {
  custom: {
    50: '#9897e5',
    500: '#646ed9',
    950: '#000000',
  },
}

SCSS

$custom: #646ed9;
$custom-light: #9897e5;
$custom-dark: #000000;

JSON

{
  "hex": "#646ed9",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 217
  },
  "hsl": {
    "h": 234.872,
    "s": 60.622,
    "l": 62.157
  },
  "oklch": {
    "l": 0.58376,
    "c": 0.16152,
    "h": 276.2
  },
  "luminance": 0.18871
}

Semantic roles & 50–950 ramp

primary

#646ED9

secondary

#E2DEB7

accent

#BA1DC8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #646ED9

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

Preview Lab → · Contrast checker → · Palette generator →