#647BD6#647BD6

#647BD6 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.8% C 0.140 H 271.0°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#647BD6
RGB	rgb(100, 123, 214)
HSL	hsl(228, 58%, 62%)
HSV	hsv(228, 53%, 84%)
CMYK	cmyk(53.3%, 42.5%, 0%, 16.1%)
CIE-LAB	lab(53.74, 17.49, -49.46)
CIE-LCH	lch(53.74, 52.46, 289.48°)
OKLab	oklab(60.76% 0.0025 -0.1405)
OKLCH	oklch(60.76% 0.14 271)
XYZ	xyz(24.4721, 21.7286, 66.5098)
Luminance	0.2173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BD6 #D6BF64

analogous

#64B4D6 #647BD6 #8664D6

triadic

#647BD6 #D6647B #7BD664

tetradic

#647BD6 #D664B4 #D6BF64 #64D686

square

#647BD6 #D664B4 #D6BF64 #64D686

split-complementary

#647BD6 #D68664 #B4D664

monochromatic

#283F98 #3553C8 #647BD6 #94A4E3 #C5CDF0

Accessibility & contrast

On white

3.93

#647BD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#647BD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BD6

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BD6	#FFFFFF	#000000	##000000
##647BD6	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5586D9

Deuteranopia (green-blind)

#487CD4

Tritanopia (blue-blind)

#2B8F9E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647bd6;
/* rgb */ color: rgb(100, 123, 214);
/* oklch */ color: oklch(60.8% 0.140 271.0);

Tailwind

colors: {
  custom: {
    50: '#97a0e3',
    500: '#647bd6',
    950: '#000000',
  },
}

SCSS

$custom: #647bd6;
$custom-light: #97a0e3;
$custom-dark: #000000;

JSON

{
  "hex": "#647bd6",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 214
  },
  "hsl": {
    "h": 227.895,
    "s": 58.163,
    "l": 61.569
  },
  "oklch": {
    "l": 0.60756,
    "c": 0.14048,
    "h": 271
  },
  "luminance": 0.2173
}

Semantic roles & 50–950 ramp

primary

#647BD6

secondary

#E0D8B6

accent

#A420C6

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #647BD6

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

Preview Lab → · Contrast checker → · Palette generator →