#646FE8#646FE8

#646FE8 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.6% C 0.181 H 275.6°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#646FE8
RGB	rgb(100, 111, 232)
HSL	hsl(235, 74%, 65%)
HSV	hsv(235, 57%, 91%)
CMYK	cmyk(56.9%, 52.2%, 0%, 9%)
CIE-LAB	lab(51.73, 30.56, -62.81)
CIE-LCH	lch(51.73, 69.85, 295.94°)
OKLab	oklab(59.58% 0.0175 -0.1798)
OKLCH	oklch(59.58% 0.181 275.6)
XYZ	xyz(25.5008, 19.9026, 78.8261)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646FE8 #E8DD64

analogous

#64B1E8 #646FE8 #9B64E8

triadic

#646FE8 #E8646F #6FE864

tetradic

#646FE8 #E864B1 #E8DD64 #64E89B

square

#646FE8 #E864B1 #E8DD64 #64E89B

split-complementary

#646FE8 #E89B64 #B1E864

monochromatic

#1B28B7 #2F3DE0 #646FE8 #99A1F0 #CFD2F8

Accessibility & contrast

On white

4.22

#646FE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#646FE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646FE8

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646FE8	#FFFFFF	#000000	##000000
##646FE8	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2881EC

Deuteranopia (green-blind)

#0076E5

Tritanopia (blue-blind)

#0C8BA1

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #646fe8;
/* rgb */ color: rgb(100, 111, 232);
/* oklch */ color: oklch(59.6% 0.181 275.6);

Tailwind

colors: {
  custom: {
    50: '#9a98f0',
    500: '#646fe8',
    950: '#000000',
  },
}

SCSS

$custom: #646fe8;
$custom-light: #9a98f0;
$custom-dark: #000000;

JSON

{
  "hex": "#646fe8",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 232
  },
  "hsl": {
    "h": 235,
    "s": 74.157,
    "l": 65.098
  },
  "oklch": {
    "l": 0.59576,
    "c": 0.18066,
    "h": 275.6
  },
  "luminance": 0.19904
}

Semantic roles & 50–950 ramp

primary

#646FE8

secondary

#EAE7BE

accent

#C60FD6

background

#FAF9FE

surface

#F4F2FD

border

#CECCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646FE8

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

Preview Lab → · Contrast checker → · Palette generator →