#647DD2#647DD2

#647DD2 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.9% C 0.132 H 269.8°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#647DD2
RGB	rgb(100, 125, 210)
HSL	hsl(226, 55%, 61%)
HSV	hsv(226, 52%, 82%)
CMYK	cmyk(52.4%, 40.5%, 0%, 17.6%)
CIE-LAB	lab(54.06, 15.02, -46.69)
CIE-LCH	lch(54.06, 49.05, 287.83°)
OKLab	oklab(60.93% -0.0005 -0.1323)
OKLCH	oklch(60.93% 0.132 269.8)
XYZ	xyz(24.2182, 22.0280, 63.9359)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DD2 #D2B964

analogous

#64B4D2 #647DD2 #8264D2

triadic

#647DD2 #D2647D #7DD264

tetradic

#647DD2 #D264B4 #D2B964 #64D282

square

#647DD2 #D264B4 #D2B964 #64D282

split-complementary

#647DD2 #D28264 #B4D264

monochromatic

#2A4291 #3857C1 #647DD2 #93A5E0 #C3CDEE

Accessibility & contrast

On white

3.88

#647DD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#647DD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DD2

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DD2	#FFFFFF	#000000	##000000
##647DD2	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A86D5

Deuteranopia (green-blind)

#4E7DD0

Tritanopia (blue-blind)

#308F9D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647dd2;
/* rgb */ color: rgb(100, 125, 210);
/* oklch */ color: oklch(60.9% 0.132 269.8);

Tailwind

colors: {
  custom: {
    50: '#97a2e0',
    500: '#647dd2',
    950: '#000000',
  },
}

SCSS

$custom: #647dd2;
$custom-light: #97a2e0;
$custom-dark: #000000;

JSON

{
  "hex": "#647dd2",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 210
  },
  "hsl": {
    "h": 226.364,
    "s": 55,
    "l": 60.784
  },
  "oklch": {
    "l": 0.60931,
    "c": 0.13233,
    "h": 269.8
  },
  "luminance": 0.2203
}

Semantic roles & 50–950 ramp

primary

#647DD2

secondary

#DED4B4

accent

#9E23C3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #647DD2

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

Preview Lab → · Contrast checker → · Palette generator →