#646FEA#646FEA

#646FEA is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.7% C 0.183 H 275.5°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#646FEA
RGB	rgb(100, 111, 234)
HSL	hsl(235, 76%, 65%)
HSV	hsv(235, 57%, 92%)
CMYK	cmyk(57.3%, 52.6%, 0%, 8.2%)
CIE-LAB	lab(51.86, 31.20, -63.73)
CIE-LCH	lch(51.86, 70.95, 296.09°)
OKLab	oklab(59.71% 0.0176 -0.1825)
OKLCH	oklch(59.71% 0.183 275.5)
XYZ	xyz(25.7864, 20.0168, 80.3307)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646FEA #EADF64

analogous

#64B2EA #646FEA #9C64EA

triadic

#646FEA #EA646F #6FEA64

tetradic

#646FEA #EA64B2 #EADF64 #64EA9C

square

#646FEA #EA64B2 #EADF64 #64EA9C

split-complementary

#646FEA #EA9C64 #B2EA64

monochromatic

#1926BA #2E3DE3 #646FEA #9AA1F1 #D0D3F9

Accessibility & contrast

On white

4.20

#646FEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#646FEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646FEA

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646FEA	#FFFFFF	#000000	##000000
##646FEA	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2581EE

Deuteranopia (green-blind)

#0076E7

Tritanopia (blue-blind)

#028BA2

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #646fea;
/* rgb */ color: rgb(100, 111, 234);
/* oklch */ color: oklch(59.7% 0.183 275.5);

Tailwind

colors: {
  custom: {
    50: '#9b98f1',
    500: '#646fea',
    950: '#000000',
  },
}

SCSS

$custom: #646fea;
$custom-light: #9b98f1;
$custom-dark: #000000;

JSON

{
  "hex": "#646fea",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 234
  },
  "hsl": {
    "h": 235.075,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.59714,
    "c": 0.18334,
    "h": 275.5
  },
  "luminance": 0.20019
}

Semantic roles & 50–950 ramp

primary

#646FEA

secondary

#EBE8BE

accent

#C80DD8

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646FEA

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

Preview Lab → · Contrast checker → · Palette generator →