#646BF5#646BF5

#646BF5 is a mid, highly saturated blue. Relative luminance 0.198; OKLCH L 59.8% C 0.203 H 276.2°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#646BF5
RGB	rgb(100, 107, 245)
HSL	hsl(237, 88%, 68%)
HSV	hsv(237, 59%, 96%)
CMYK	cmyk(59.2%, 56.3%, 0%, 3.9%)
CIE-LAB	lab(51.63, 37.14, -70.24)
CIE-LCH	lch(51.63, 79.46, 297.87°)
OKLab	oklab(59.78% 0.0218 -0.2017)
OKLCH	oklch(59.78% 0.203 276.2)
XYZ	xyz(26.9893, 19.8152, 88.7710)
Luminance	0.1982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646BF5 #F5EE64

analogous

#64B4F5 #646BF5 #A564F5

triadic

#646BF5 #F5646B #6BF564

tetradic

#646BF5 #F564B4 #F5EE64 #64F5A5

square

#646BF5 #F564B4 #F5EE64 #64F5A5

split-complementary

#646BF5 #F5A564 #B4F564

monochromatic

#0D17D1 #2B34F1 #646BF5 #9DA2F9 #D7D9FC

Accessibility & contrast

On white

4.23

#646BF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#646BF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646BF5

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646BF5	#FFFFFF	#000000	##000000
##646BF5	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0081FA

Deuteranopia (green-blind)

#0075F2

Tritanopia (blue-blind)

#008CA6

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #646bf5;
/* rgb */ color: rgb(100, 107, 245);
/* oklch */ color: oklch(59.8% 0.203 276.2);

Tailwind

colors: {
  custom: {
    50: '#9d95f9',
    500: '#646bf5',
    950: '#000000',
  },
}

SCSS

$custom: #646bf5;
$custom-light: #9d95f9;
$custom-dark: #000000;

JSON

{
  "hex": "#646bf5",
  "rgb": {
    "r": 100,
    "g": 107,
    "b": 245
  },
  "hsl": {
    "h": 237.103,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.59778,
    "c": 0.20287,
    "h": 276.2
  },
  "luminance": 0.19817
}

Semantic roles & 50–950 ramp

primary

#646BF5

secondary

#F1EFC4

accent

#D901E4

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646BF5

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

Preview Lab → · Contrast checker → · Palette generator →