#647CD2#647CD2

#647CD2 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.7% C 0.134 H 270.3°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#647CD2
RGB	rgb(100, 124, 210)
HSL	hsl(227, 55%, 61%)
HSV	hsv(227, 52%, 82%)
CMYK	cmyk(52.4%, 41%, 0%, 17.6%)
CIE-LAB	lab(53.79, 15.62, -47.12)
CIE-LCH	lch(53.79, 49.64, 288.34°)
OKLab	oklab(60.72% 0.0007 -0.1336)
OKLCH	oklch(60.72% 0.134 270.3)
XYZ	xyz(24.0922, 21.7761, 63.8939)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CD2 #D2BA64

analogous

#64B3D2 #647CD2 #8364D2

triadic

#647CD2 #D2647C #7CD264

tetradic

#647CD2 #D264B3 #D2BA64 #64D283

square

#647CD2 #D264B3 #D2BA64 #64D283

split-complementary

#647CD2 #D28364 #B3D264

monochromatic

#2A4191 #3856C1 #647CD2 #93A4E0 #C3CCEE

Accessibility & contrast

On white

3.92

#647CD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#647CD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CD2

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CD2	#FFFFFF	#000000	##000000
##647CD2	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5986D5

Deuteranopia (green-blind)

#4D7CD0

Tritanopia (blue-blind)

#308F9D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647cd2;
/* rgb */ color: rgb(100, 124, 210);
/* oklch */ color: oklch(60.7% 0.134 270.3);

Tailwind

colors: {
  custom: {
    50: '#97a1e0',
    500: '#647cd2',
    950: '#000000',
  },
}

SCSS

$custom: #647cd2;
$custom-light: #97a1e0;
$custom-dark: #000000;

JSON

{
  "hex": "#647cd2",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 210
  },
  "hsl": {
    "h": 226.909,
    "s": 55,
    "l": 60.784
  },
  "oklch": {
    "l": 0.60725,
    "c": 0.13359,
    "h": 270.3
  },
  "luminance": 0.21778
}

Semantic roles & 50–950 ramp

primary

#647CD2

secondary

#DED5B4

accent

#A023C3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #647CD2

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

Preview Lab → · Contrast checker → · Palette generator →