#646EE5#646EE5

#646EE5 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 59.2% C 0.178 H 275.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#646EE5
RGB	rgb(100, 110, 229)
HSL	hsl(235, 71%, 65%)
HSV	hsv(235, 56%, 90%)
CMYK	cmyk(56.3%, 52%, 0%, 10.2%)
CIE-LAB	lab(51.29, 30.20, -61.84)
CIE-LCH	lch(51.29, 68.82, 296.03°)
OKLab	oklab(59.18% 0.0183 -0.1769)
OKLCH	oklch(59.18% 0.178 275.9)
XYZ	xyz(24.9698, 19.5166, 76.5648)
Luminance	0.1952 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EE5 #E5DB64

analogous

#64AFE5 #646EE5 #9B64E5

triadic

#646EE5 #E5646E #6EE564

tetradic

#646EE5 #E564AF #E5DB64 #64E59B

square

#646EE5 #E564AF #E5DB64 #64E59B

split-complementary

#646EE5 #E59B64 #AFE564

monochromatic

#1E29B1 #303DDC #646EE5 #989FEE #CDD0F7

Accessibility & contrast

On white

4.28

#646EE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#646EE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646EE5

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EE5	#FFFFFF	#000000	##000000
##646EE5	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A80E9

Deuteranopia (green-blind)

#0875E3

Tritanopia (blue-blind)

#16899F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #646ee5;
/* rgb */ color: rgb(100, 110, 229);
/* oklch */ color: oklch(59.2% 0.178 275.9);

Tailwind

colors: {
  custom: {
    50: '#9a97ee',
    500: '#646ee5',
    950: '#000000',
  },
}

SCSS

$custom: #646ee5;
$custom-light: #9a97ee;
$custom-dark: #000000;

JSON

{
  "hex": "#646ee5",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 229
  },
  "hsl": {
    "h": 235.349,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.59183,
    "c": 0.1779,
    "h": 275.9
  },
  "luminance": 0.19518
}

Semantic roles & 50–950 ramp

primary

#646EE5

secondary

#E9E5BC

accent

#C412D3

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646EE5

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

Preview Lab → · Contrast checker → · Palette generator →