#646EE7#646EE7

#646EE7 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.3% C 0.181 H 275.9°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#646EE7
RGB	rgb(100, 110, 231)
HSL	hsl(235, 73%, 65%)
HSV	hsv(235, 57%, 91%)
CMYK	cmyk(56.7%, 52.4%, 0%, 9.4%)
CIE-LAB	lab(51.41, 30.84, -62.75)
CIE-LCH	lch(51.41, 69.93, 296.17°)
OKLab	oklab(59.32% 0.0185 -0.1796)
OKLCH	oklch(59.32% 0.181 275.9)
XYZ	xyz(25.2506, 19.6289, 78.0440)
Luminance	0.1963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EE7 #E7DD64

analogous

#64AFE7 #646EE7 #9C64E7

triadic

#646EE7 #E7646E #6EE764

tetradic

#646EE7 #E764AF #E7DD64 #64E79C

square

#646EE7 #E764AF #E7DD64 #64E79C

split-complementary

#646EE7 #E79C64 #AFE764

monochromatic

#1C28B5 #2F3CDF #646EE7 #99A0EF #CED1F7

Accessibility & contrast

On white

4.26

#646EE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#646EE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646EE7

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EE7	#FFFFFF	#000000	##000000
##646EE7	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2680EB

Deuteranopia (green-blind)

#0075E4

Tritanopia (blue-blind)

#108AA0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #646ee7;
/* rgb */ color: rgb(100, 110, 231);
/* oklch */ color: oklch(59.3% 0.181 275.9);

Tailwind

colors: {
  custom: {
    50: '#9a97ef',
    500: '#646ee7',
    950: '#000000',
  },
}

SCSS

$custom: #646ee7;
$custom-light: #9a97ef;
$custom-dark: #000000;

JSON

{
  "hex": "#646ee7",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 231
  },
  "hsl": {
    "h": 235.42,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.59321,
    "c": 0.18059,
    "h": 275.9
  },
  "luminance": 0.19631
}

Semantic roles & 50–950 ramp

primary

#646EE7

secondary

#EAE6BD

accent

#C610D5

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646EE7

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

Preview Lab → · Contrast checker → · Palette generator →