#647EDA#647EDA

#647EDA is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.6% C 0.142 H 269.9°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#647EDA
RGB	rgb(100, 126, 218)
HSL	hsl(227, 61%, 62%)
HSV	hsv(227, 54%, 85%)
CMYK	cmyk(54.1%, 42.2%, 0%, 14.5%)
CIE-LAB	lab(54.75, 16.95, -50.10)
CIE-LCH	lch(54.75, 52.89, 288.69°)
OKLab	oklab(61.61% -0.0001 -0.1423)
OKLCH	oklch(61.61% 0.142 269.9)
XYZ	xyz(25.3671, 22.6912, 69.3592)
Luminance	0.2269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EDA #DAC064

analogous

#64B9DA #647EDA #8564DA

triadic

#647EDA #DA647E #7EDA64

tetradic

#647EDA #DA64B9 #DAC064 #64DA85

square

#647EDA #DA64B9 #DAC064 #64DA85

split-complementary

#647EDA #DA8564 #B9DA64

monochromatic

#26409E #3355CE #647EDA #95A7E6 #C7D0F2

Accessibility & contrast

On white

3.79

#647EDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#647EDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EDA

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EDA	#FFFFFF	#000000	##000000
##647EDA	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5789DE

Deuteranopia (green-blind)

#497ED8

Tritanopia (blue-blind)

#2592A1

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647eda;
/* rgb */ color: rgb(100, 126, 218);
/* oklch */ color: oklch(61.6% 0.142 269.9);

Tailwind

colors: {
  custom: {
    50: '#98a3e6',
    500: '#647eda',
    950: '#000000',
  },
}

SCSS

$custom: #647eda;
$custom-light: #98a3e6;
$custom-dark: #000000;

JSON

{
  "hex": "#647eda",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 218
  },
  "hsl": {
    "h": 226.78,
    "s": 61.458,
    "l": 62.353
  },
  "oklch": {
    "l": 0.61605,
    "c": 0.1423,
    "h": 269.9
  },
  "luminance": 0.22693
}

Semantic roles & 50–950 ramp

primary

#647EDA

secondary

#E2D9B7

accent

#A31CC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #647EDA

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

Preview Lab → · Contrast checker → · Palette generator →