#646EE8#646EE8

#646EE8 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.4% C 0.182 H 275.8°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#646EE8
RGB	rgb(100, 110, 232)
HSL	hsl(235, 74%, 65%)
HSV	hsv(235, 57%, 91%)
CMYK	cmyk(56.9%, 52.6%, 0%, 9%)
CIE-LAB	lab(51.48, 31.17, -63.21)
CIE-LCH	lch(51.48, 70.48, 296.24°)
OKLab	oklab(59.39% 0.0185 -0.181)
OKLCH	oklch(59.39% 0.182 275.8)
XYZ	xyz(25.3923, 19.6855, 78.7899)
Luminance	0.1969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EE8 #E8DE64

analogous

#64B0E8 #646EE8 #9C64E8

triadic

#646EE8 #E8646E #6EE864

tetradic

#646EE8 #E864B0 #E8DE64 #64E89C

square

#646EE8 #E864B0 #E8DE64 #64E89C

split-complementary

#646EE8 #E89C64 #B0E864

monochromatic

#1B27B7 #2F3CE0 #646EE8 #99A0F0 #CFD2F8

Accessibility & contrast

On white

4.25

#646EE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#646EE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646EE8

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EE8	#FFFFFF	#000000	##000000
##646EE8	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2580EC

Deuteranopia (green-blind)

#0075E5

Tritanopia (blue-blind)

#0C8AA0

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #646ee8;
/* rgb */ color: rgb(100, 110, 232);
/* oklch */ color: oklch(59.4% 0.182 275.8);

Tailwind

colors: {
  custom: {
    50: '#9b97f0',
    500: '#646ee8',
    950: '#000000',
  },
}

SCSS

$custom: #646ee8;
$custom-light: #9b97f0;
$custom-dark: #000000;

JSON

{
  "hex": "#646ee8",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 232
  },
  "hsl": {
    "h": 235.455,
    "s": 74.157,
    "l": 65.098
  },
  "oklch": {
    "l": 0.5939,
    "c": 0.18193,
    "h": 275.8
  },
  "luminance": 0.19687
}

Semantic roles & 50–950 ramp

primary

#646EE8

secondary

#EAE7BE

accent

#C70FD6

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646EE8

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

Preview Lab → · Contrast checker → · Palette generator →