#646DE8#646DE8

#646DE8 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 59.2% C 0.183 H 276.1°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#646DE8
RGB	rgb(100, 109, 232)
HSL	hsl(236, 74%, 65%)
HSV	hsv(236, 57%, 91%)
CMYK	cmyk(56.9%, 53%, 0%, 9%)
CIE-LAB	lab(51.23, 31.77, -63.61)
CIE-LCH	lch(51.23, 71.10, 296.54°)
OKLab	oklab(59.21% 0.0195 -0.1822)
OKLCH	oklch(59.21% 0.183 276.1)
XYZ	xyz(25.2850, 19.4710, 78.7541)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646DE8 #E8DF64

analogous

#64AFE8 #646DE8 #9D64E8

triadic

#646DE8 #E8646D #6DE864

tetradic

#646DE8 #E864AF #E8DF64 #64E89D

square

#646DE8 #E864AF #E8DF64 #64E89D

split-complementary

#646DE8 #E89D64 #AFE864

monochromatic

#1B26B7 #2F3BE0 #646DE8 #999FF0 #CFD1F8

Accessibility & contrast

On white

4.29

#646DE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#646DE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646DE8

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646DE8	#FFFFFF	#000000	##000000
##646DE8	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2180EC

Deuteranopia (green-blind)

#0075E5

Tritanopia (blue-blind)

#0D89A0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #646de8;
/* rgb */ color: rgb(100, 109, 232);
/* oklch */ color: oklch(59.2% 0.183 276.1);

Tailwind

colors: {
  custom: {
    50: '#9b96f0',
    500: '#646de8',
    950: '#000000',
  },
}

SCSS

$custom: #646de8;
$custom-light: #9b96f0;
$custom-dark: #000000;

JSON

{
  "hex": "#646de8",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 232
  },
  "hsl": {
    "h": 235.909,
    "s": 74.157,
    "l": 65.098
  },
  "oklch": {
    "l": 0.59206,
    "c": 0.18321,
    "h": 276.1
  },
  "luminance": 0.19473
}

Semantic roles & 50–950 ramp

primary

#646DE8

secondary

#EAE7BE

accent

#C90FD6

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646DE8

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

Preview Lab → · Contrast checker → · Palette generator →