#647FEE#647FEE

#647FEE is a light, vivid blue. Relative luminance 0.241; OKLCH L 63.0% C 0.169 H 270.6°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#647FEE
RGB	rgb(100, 127, 238)
HSL	hsl(228, 80%, 66%)
HSV	hsv(228, 58%, 93%)
CMYK	cmyk(58%, 46.6%, 0%, 6.7%)
CIE-LAB	lab(56.15, 22.79, -59.06)
CIE-LCH	lch(56.15, 63.30, 291.10°)
OKLab	oklab(63.04% 0.0019 -0.1686)
OKLCH	oklch(63.04% 0.169 270.6)
XYZ	xyz(28.2724, 24.0589, 84.0263)
Luminance	0.2406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FEE #EED364

analogous

#64C4EE #647FEE #8E64EE

triadic

#647FEE #EE647F #7FEE64

tetradic

#647FEE #EE64C4 #EED364 #64EE8E

square

#647FEE #EE64C4 #EED364 #64EE8E

split-complementary

#647FEE #EE8E64 #C4EE64

monochromatic

#1537C2 #2D51E8 #647FEE #9BADF4 #D2DAFA

Accessibility & contrast

On white

3.61

#647FEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#647FEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FEE

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FEE	#FFFFFF	#000000	##000000
##647FEE	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A8DF2

Deuteranopia (green-blind)

#3481EC

Tritanopia (blue-blind)

#0098AB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #647fee;
/* rgb */ color: rgb(100, 127, 238);
/* oklch */ color: oklch(63.0% 0.169 270.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#647fee",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 238
  },
  "hsl": {
    "h": 228.261,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.63036,
    "c": 0.16861,
    "h": 270.6
  },
  "luminance": 0.24061
}

Semantic roles & 50–950 ramp

primary

#647FEE

secondary

#EDE5C0

accent

#B309DD

background

#FAFAFF

surface

#F4F3FE

border

#CECDD6

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #647FEE

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

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