#646BF2#646BF2

#646BF2 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.6% C 0.199 H 276.3°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#646BF2
RGB	rgb(100, 107, 242)
HSL	hsl(237, 85%, 67%)
HSV	hsv(237, 59%, 95%)
CMYK	cmyk(58.7%, 55.8%, 0%, 5.1%)
CIE-LAB	lab(51.42, 36.18, -68.90)
CIE-LCH	lch(51.42, 77.83, 297.70°)
OKLab	oklab(59.56% 0.0218 -0.1978)
OKLCH	oklch(59.56% 0.199 276.3)
XYZ	xyz(26.5351, 19.6335, 86.3785)
Luminance	0.1964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646BF2 #F2EB64

analogous

#64B2F2 #646BF2 #A464F2

triadic

#646BF2 #F2646B #6BF264

tetradic

#646BF2 #F264B2 #F2EB64 #64F2A4

square

#646BF2 #F264B2 #F2EB64 #64F2A4

split-complementary

#646BF2 #F2A464 #B2F264

monochromatic

#111ACB #2C35ED #646BF2 #9CA1F7 #D5D7FB

Accessibility & contrast

On white

4.26

#646BF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#646BF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646BF2

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646BF2	#FFFFFF	#000000	##000000
##646BF2	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0081F7

Deuteranopia (green-blind)

#0075EF

Tritanopia (blue-blind)

#008BA4

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #646bf2;
/* rgb */ color: rgb(100, 107, 242);
/* oklch */ color: oklch(59.6% 0.199 276.3);

Tailwind

colors: {
  custom: {
    50: '#9c95f7',
    500: '#646bf2',
    950: '#000000',
  },
}

SCSS

$custom: #646bf2;
$custom-light: #9c95f7;
$custom-dark: #000000;

JSON

{
  "hex": "#646bf2",
  "rgb": {
    "r": 100,
    "g": 107,
    "b": 242
  },
  "hsl": {
    "h": 237.042,
    "s": 84.524,
    "l": 67.059
  },
  "oklch": {
    "l": 0.59558,
    "c": 0.19896,
    "h": 276.3
  },
  "luminance": 0.19636
}

Semantic roles & 50–950 ramp

primary

#646BF2

secondary

#EFEDC2

accent

#D605E1

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646BF2

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

Preview Lab → · Contrast checker → · Palette generator →