#647EEA#647EEA

#647EEA is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.6% C 0.164 H 270.8°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#647EEA
RGB	rgb(100, 126, 234)
HSL	hsl(228, 76%, 65%)
HSV	hsv(228, 57%, 92%)
CMYK	cmyk(57.3%, 46.2%, 0%, 8.2%)
CIE-LAB	lab(55.65, 22.10, -57.62)
CIE-LCH	lch(55.65, 61.71, 290.98°)
OKLab	oklab(62.59% 0.0024 -0.1644)
OKLCH	oklch(62.59% 0.164 270.8)
XYZ	xyz(27.5627, 23.5694, 80.9228)
Luminance	0.2357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EEA #EAD064

analogous

#64C1EA #647EEA #8D64EA

triadic

#647EEA #EA647E #7EEA64

tetradic

#647EEA #EA64C1 #EAD064 #64EA8D

square

#647EEA #EA64C1 #EAD064 #64EA8D

split-complementary

#647EEA #EA8D64 #C1EA64

monochromatic

#1939BA #2E51E3 #647EEA #9AABF1 #D0D8F9

Accessibility & contrast

On white

3.67

#647EEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#647EEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EEA

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EEA	#FFFFFF	#000000	##000000
##647EEA	1.00	3.67	5.71	5.71
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B8CEE

Deuteranopia (green-blind)

#3780E8

Tritanopia (blue-blind)

#0096A9

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647eea;
/* rgb */ color: rgb(100, 126, 234);
/* oklch */ color: oklch(62.6% 0.164 270.8);

Tailwind

colors: {
  custom: {
    50: '#9aa3f1',
    500: '#647eea',
    950: '#000000',
  },
}

SCSS

$custom: #647eea;
$custom-light: #9aa3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#647eea",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 234
  },
  "hsl": {
    "h": 228.358,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.62586,
    "c": 0.1644,
    "h": 270.8
  },
  "luminance": 0.23572
}

Semantic roles & 50–950 ramp

primary

#647EEA

secondary

#EBE3BE

accent

#B10DD8

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647EEA

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

Preview Lab → · Contrast checker → · Palette generator →