#647EEE#647EEE

#647EEE is a light, vivid blue. Relative luminance 0.238; OKLCH L 62.8% C 0.170 H 271.0°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#647EEE
RGB	rgb(100, 126, 238)
HSL	hsl(229, 80%, 66%)
HSV	hsv(229, 58%, 93%)
CMYK	cmyk(58%, 47.1%, 0%, 6.7%)
CIE-LAB	lab(55.89, 23.40, -59.47)
CIE-LCH	lch(55.89, 63.91, 291.47°)
OKLab	oklab(62.84% 0.0029 -0.1698)
OKLCH	oklch(62.84% 0.17 271)
XYZ	xyz(28.1439, 23.8019, 83.9835)
Luminance	0.2380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EEE #EED464

analogous

#64C3EE #647EEE #8F64EE

triadic

#647EEE #EE647E #7EEE64

tetradic

#647EEE #EE64C3 #EED464 #64EE8F

square

#647EEE #EE64C3 #EED464 #64EE8F

split-complementary

#647EEE #EE8F64 #C3EE64

monochromatic

#1536C2 #2D50E8 #647EEE #9BACF4 #D2DAFA

Accessibility & contrast

On white

3.65

#647EEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#647EEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EEE

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EEE	#FFFFFF	#000000	##000000
##647EEE	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#478CF2

Deuteranopia (green-blind)

#3280EC

Tritanopia (blue-blind)

#0097AB

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #647eee;
/* rgb */ color: rgb(100, 126, 238);
/* oklch */ color: oklch(62.8% 0.170 271.0);

Tailwind

colors: {
  custom: {
    50: '#9ba3f4',
    500: '#647eee',
    950: '#000000',
  },
}

SCSS

$custom: #647eee;
$custom-light: #9ba3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#647eee",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 238
  },
  "hsl": {
    "h": 228.696,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.6284,
    "c": 0.16984,
    "h": 271
  },
  "luminance": 0.23804
}

Semantic roles & 50–950 ramp

primary

#647EEE

secondary

#EDE5C0

accent

#B509DD

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647EEE

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

Preview Lab → · Contrast checker → · Palette generator →