#646AED#646AED

#646AED is a mid, vivid blue. Relative luminance 0.191; OKLCH L 59.0% C 0.194 H 276.7°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#646AED
RGB	rgb(100, 106, 237)
HSL	hsl(237, 79%, 66%)
HSV	hsv(237, 58%, 93%)
CMYK	cmyk(57.8%, 55.3%, 0%, 7.1%)
CIE-LAB	lab(50.84, 35.18, -67.05)
CIE-LCH	lch(50.84, 75.72, 297.69°)
OKLab	oklab(59.02% 0.0226 -0.1923)
OKLCH	oklch(59.02% 0.194 276.7)
XYZ	xyz(25.6907, 19.1299, 82.4430)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646AED #EDE764

analogous

#64AEED #646AED #A264ED

triadic

#646AED #ED646A #6AED64

tetradic

#646AED #ED64AE #EDE764 #64EDA2

square

#646AED #ED64AE #EDE764 #64EDA2

split-complementary

#646AED #EDA264 #AEED64

monochromatic

#161EC0 #2D35E7 #646AED #9B9FF3 #D2D3FA

Accessibility & contrast

On white

4.35

#646AED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#646AED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646AED

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646AED	#FFFFFF	#000000	##000000
##646AED	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007FF1

Deuteranopia (green-blind)

#0073EA

Tritanopia (blue-blind)

#0089A1

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #646aed;
/* rgb */ color: rgb(100, 106, 237);
/* oklch */ color: oklch(59.0% 0.194 276.7);

Tailwind

colors: {
  custom: {
    50: '#9b94f4',
    500: '#646aed',
    950: '#000000',
  },
}

SCSS

$custom: #646aed;
$custom-light: #9b94f4;
$custom-dark: #000000;

JSON

{
  "hex": "#646aed",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 237
  },
  "hsl": {
    "h": 237.372,
    "s": 79.191,
    "l": 66.078
  },
  "oklch": {
    "l": 0.59017,
    "c": 0.19365,
    "h": 276.7
  },
  "luminance": 0.19132
}

Semantic roles & 50–950 ramp

primary

#646AED

secondary

#EDEBC0

accent

#D20ADB

background

#FAF9FF

surface

#F4F1FE

border

#CECBD6

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646AED

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

Preview Lab → · Contrast checker → · Palette generator →