#647ADF#647ADF

#647ADF is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.1% C 0.154 H 271.9°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#647ADF
RGB	rgb(100, 122, 223)
HSL	hsl(229, 66%, 63%)
HSV	hsv(229, 55%, 87%)
CMYK	cmyk(55.2%, 45.3%, 0%, 12.5%)
CIE-LAB	lab(53.98, 20.98, -54.14)
CIE-LCH	lch(53.98, 58.07, 291.18°)
OKLab	oklab(61.1% 0.0051 -0.1542)
OKLCH	oklch(61.1% 0.154 271.9)
XYZ	xyz(25.5300, 21.9543, 72.6900)
Luminance	0.2196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647ADF #DFC964

analogous

#64B7DF #647ADF #8B64DF

triadic

#647ADF #DF647A #7ADF64

tetradic

#647ADF #DF64B7 #DFC964 #64DF8B

square

#647ADF #DF64B7 #DFC964 #64DF8B

split-complementary

#647ADF #DF8B64 #B7DF64

monochromatic

#223AA6 #314ED5 #647ADF #97A6E9 #C9D1F4

Accessibility & contrast

On white

3.90

#647ADF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#647ADF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ADF

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647ADF	#FFFFFF	#000000	##000000
##647ADF	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C87E3

Deuteranopia (green-blind)

#3D7CDD

Tritanopia (blue-blind)

#1E90A2

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647adf;
/* rgb */ color: rgb(100, 122, 223);
/* oklch */ color: oklch(61.1% 0.154 271.9);

Tailwind

colors: {
  custom: {
    50: '#99a0e9',
    500: '#647adf',
    950: '#000000',
  },
}

SCSS

$custom: #647adf;
$custom-light: #99a0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#647adf",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 223
  },
  "hsl": {
    "h": 229.268,
    "s": 65.775,
    "l": 63.333
  },
  "oklch": {
    "l": 0.61104,
    "c": 0.1543,
    "h": 271.9
  },
  "luminance": 0.21956
}

Semantic roles & 50–950 ramp

primary

#647ADF

secondary

#E5DDB9

accent

#AD18CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #647ADF

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

Preview Lab → · Contrast checker → · Palette generator →