#646BEC#646BEC

#646BEC is a mid, vivid blue. Relative luminance 0.193; OKLCH L 59.1% C 0.191 H 276.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#646BEC
RGB	rgb(100, 107, 236)
HSL	hsl(237, 78%, 66%)
HSV	hsv(237, 58%, 93%)
CMYK	cmyk(57.6%, 54.7%, 0%, 7.5%)
CIE-LAB	lab(51.01, 34.26, -66.21)
CIE-LCH	lch(51.01, 74.55, 297.36°)
OKLab	oklab(59.12% 0.0216 -0.1898)
OKLCH	oklch(59.12% 0.191 276.5)
XYZ	xyz(25.6487, 19.2790, 81.7102)
Luminance	0.1928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646BEC #ECE564

analogous

#64AFEC #646BEC #A164EC

triadic

#646BEC #EC646B #6BEC64

tetradic

#646BEC #EC64AF #ECE564 #64ECA1

square

#646BEC #EC64AF #ECE564 #64ECA1

split-complementary

#646BEC #ECA164 #AFEC64

monochromatic

#1720BE #2D37E5 #646BEC #9B9FF3 #D1D3F9

Accessibility & contrast

On white

4.32

#646BEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#646BEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646BEC

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646BEC	#FFFFFF	#000000	##000000
##646BEC	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#087FF0

Deuteranopia (green-blind)

#0074E9

Tritanopia (blue-blind)

#0089A1

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #646bec;
/* rgb */ color: rgb(100, 107, 236);
/* oklch */ color: oklch(59.1% 0.191 276.5);

Tailwind

colors: {
  custom: {
    50: '#9b95f3',
    500: '#646bec',
    950: '#000000',
  },
}

SCSS

$custom: #646bec;
$custom-light: #9b95f3;
$custom-dark: #000000;

JSON

{
  "hex": "#646bec",
  "rgb": {
    "r": 100,
    "g": 107,
    "b": 236
  },
  "hsl": {
    "h": 236.912,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.59124,
    "c": 0.19107,
    "h": 276.5
  },
  "luminance": 0.19281
}

Semantic roles & 50–950 ramp

primary

#646BEC

secondary

#ECEABF

accent

#D00BDA

background

#FAF9FE

surface

#F4F1FD

border

#CECBD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646BEC

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

Preview Lab → · Contrast checker → · Palette generator →