#646AEA#646AEA

#646AEA is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.8% C 0.190 H 276.8°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#646AEA
RGB	rgb(100, 106, 234)
HSL	hsl(237, 76%, 65%)
HSV	hsv(237, 57%, 92%)
CMYK	cmyk(57.3%, 54.7%, 0%, 8.2%)
CIE-LAB	lab(50.64, 34.23, -65.70)
CIE-LCH	lch(50.64, 74.08, 297.52°)
OKLab	oklab(58.8% 0.0226 -0.1883)
OKLCH	oklch(58.8% 0.19 276.8)
XYZ	xyz(25.2561, 18.9561, 80.1540)
Luminance	0.1896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646AEA #EAE464

analogous

#64ADEA #646AEA #A164EA

triadic

#646AEA #EA646A #6AEA64

tetradic

#646AEA #EA64AD #EAE464 #64EAA1

square

#646AEA #EA64AD #EAE464 #64EAA1

split-complementary

#646AEA #EAA164 #ADEA64

monochromatic

#1920BA #2E36E3 #646AEA #9A9EF1 #D0D2F9

Accessibility & contrast

On white

4.38

#646AEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#646AEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646AEA

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646AEA	#FFFFFF	#000000	##000000
##646AEA	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#087EEE

Deuteranopia (green-blind)

#0073E7

Tritanopia (blue-blind)

#0688A0

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #646aea;
/* rgb */ color: rgb(100, 106, 234);
/* oklch */ color: oklch(58.8% 0.190 276.8);

Tailwind

colors: {
  custom: {
    50: '#9b94f2',
    500: '#646aea',
    950: '#000000',
  },
}

SCSS

$custom: #646aea;
$custom-light: #9b94f2;
$custom-dark: #000000;

JSON

{
  "hex": "#646aea",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 234
  },
  "hsl": {
    "h": 237.313,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.58801,
    "c": 0.18969,
    "h": 276.8
  },
  "luminance": 0.18958
}

Semantic roles & 50–950 ramp

primary

#646AEA

secondary

#EBE9BE

accent

#CF0DD8

background

#FAF9FE

surface

#F4F1FD

border

#CECBD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646AEA

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

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