#646EF0#646EF0

#646EF0 is a mid, vivid blue. Relative luminance 0.202; OKLCH L 60.0% C 0.193 H 275.6°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#646EF0
RGB	rgb(100, 110, 240)
HSL	hsl(236, 82%, 67%)
HSV	hsv(236, 58%, 94%)
CMYK	cmyk(58.3%, 54.2%, 0%, 5.9%)
CIE-LAB	lab(52.01, 33.73, -66.84)
CIE-LCH	lch(52.01, 74.87, 296.78°)
OKLab	oklab(59.95% 0.0189 -0.1917)
OKLCH	oklch(59.95% 0.193 275.6)
XYZ	xyz(26.5545, 20.1505, 84.9113)
Luminance	0.2015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EF0 #F0E664

analogous

#64B4F0 #646EF0 #A064F0

triadic

#646EF0 #F0646E #6EF064

tetradic

#646EF0 #F064B4 #F0E664 #64F0A0

square

#646EF0 #F064B4 #F0E664 #64F0A0

split-complementary

#646EF0 #F0A064 #B4F064

monochromatic

#1320C6 #2C3AEB #646EF0 #9CA2F5 #D4D6FB

Accessibility & contrast

On white

4.17

#646EF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#646EF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646EF0

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EF0	#FFFFFF	#000000	##000000
##646EF0	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1082F4

Deuteranopia (green-blind)

#0076ED

Tritanopia (blue-blind)

#008CA4

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #646ef0;
/* rgb */ color: rgb(100, 110, 240);
/* oklch */ color: oklch(60.0% 0.193 275.6);

Tailwind

colors: {
  custom: {
    50: '#9c97f6',
    500: '#646ef0',
    950: '#000000',
  },
}

SCSS

$custom: #646ef0;
$custom-light: #9c97f6;
$custom-dark: #000000;

JSON

{
  "hex": "#646ef0",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 240
  },
  "hsl": {
    "h": 235.714,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.59953,
    "c": 0.19259,
    "h": 275.6
  },
  "luminance": 0.20152
}

Semantic roles & 50–950 ramp

primary

#646EF0

secondary

#EEEBC1

accent

#CF07DF

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646EF0

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

Preview Lab → · Contrast checker → · Palette generator →