#647AEF#647AEF

#647AEF is a light, vivid blue. Relative luminance 0.229; OKLCH L 62.1% C 0.176 H 272.3°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#647AEF
RGB	rgb(100, 122, 239)
HSL	hsl(231, 81%, 66%)
HSV	hsv(231, 58%, 94%)
CMYK	cmyk(58.2%, 49%, 0%, 6.3%)
CIE-LAB	lab(54.93, 26.14, -61.57)
CIE-LCH	lch(54.93, 66.89, 293.01°)
OKLab	oklab(62.13% 0.007 -0.1761)
OKLCH	oklch(62.13% 0.176 272.3)
XYZ	xyz(27.7899, 22.8582, 84.5923)
Luminance	0.2286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AEF #EFD964

analogous

#64BFEF #647AEF #9464EF

triadic

#647AEF #EF647A #7AEF64

tetradic

#647AEF #EF64BF #EFD964 #64EF94

square

#647AEF #EF64BF #EFD964 #64EF94

split-complementary

#647AEF #EF9464 #BFEF64

monochromatic

#1430C4 #2D4AE9 #647AEF #9BAAF5 #D3D9FA

Accessibility & contrast

On white

3.77

#647AEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#647AEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AEF

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AEF	#FFFFFF	#000000	##000000
##647AEF	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E8AF3

Deuteranopia (green-blind)

#247EED

Tritanopia (blue-blind)

#0095A9

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647aef;
/* rgb */ color: rgb(100, 122, 239);
/* oklch */ color: oklch(62.1% 0.176 272.3);

Tailwind

colors: {
  custom: {
    50: '#9ba0f5',
    500: '#647aef',
    950: '#000000',
  },
}

SCSS

$custom: #647aef;
$custom-light: #9ba0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#647aef",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 239
  },
  "hsl": {
    "h": 230.504,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.62129,
    "c": 0.17619,
    "h": 272.3
  },
  "luminance": 0.2286
}

Semantic roles & 50–950 ramp

primary

#647AEF

secondary

#EEE7C1

accent

#BC08DE

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647AEF

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

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