#647CD9#647CD9

#647CD9 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.1% C 0.143 H 270.8°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#647CD9
RGB	rgb(100, 124, 217)
HSL	hsl(228, 61%, 62%)
HSV	hsv(228, 54%, 85%)
CMYK	cmyk(53.9%, 42.9%, 0%, 14.9%)
CIE-LAB	lab(54.17, 17.84, -50.47)
CIE-LCH	lch(54.17, 53.53, 289.47°)
OKLab	oklab(61.14% 0.0019 -0.1434)
OKLCH	oklch(61.14% 0.143 270.8)
XYZ	xyz(24.9835, 22.1326, 68.5877)
Luminance	0.2213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CD9 #D9C164

analogous

#64B7D9 #647CD9 #8664D9

triadic

#647CD9 #D9647C #7CD964

tetradic

#647CD9 #D964B7 #D9C164 #64D986

square

#647CD9 #D964B7 #D9C164 #64D986

split-complementary

#647CD9 #D98664 #B7D964

monochromatic

#263F9C #3352CD #647CD9 #95A6E5 #C6CFF1

Accessibility & contrast

On white

3.87

#647CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#647CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CD9

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CD9	#FFFFFF	#000000	##000000
##647CD9	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5487DD

Deuteranopia (green-blind)

#467DD7

Tritanopia (blue-blind)

#2790A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647cd9;
/* rgb */ color: rgb(100, 124, 217);
/* oklch */ color: oklch(61.1% 0.143 270.8);

Tailwind

colors: {
  custom: {
    50: '#98a1e5',
    500: '#647cd9',
    950: '#000000',
  },
}

SCSS

$custom: #647cd9;
$custom-light: #98a1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#647cd9",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 217
  },
  "hsl": {
    "h": 227.692,
    "s": 60.622,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61139,
    "c": 0.14341,
    "h": 270.8
  },
  "luminance": 0.22134
}

Semantic roles & 50–950 ramp

primary

#647CD9

secondary

#E2D9B7

accent

#A51DC8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #647CD9

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

Preview Lab → · Contrast checker → · Palette generator →