#647ECE#647ECE

#647ECE is a mid, vivid blue. Relative luminance 0.221; OKLCH L 60.9% C 0.125 H 268.9°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#647ECE
RGB	rgb(100, 126, 206)
HSL	hsl(225, 52%, 60%)
HSV	hsv(225, 51%, 81%)
CMYK	cmyk(51.5%, 38.8%, 0%, 19.2%)
CIE-LAB	lab(54.12, 13.15, -44.33)
CIE-LCH	lch(54.12, 46.24, 286.53°)
OKLab	oklab(60.91% -0.0025 -0.1254)
OKLCH	oklch(60.91% 0.125 268.9)
XYZ	xyz(23.8533, 22.0857, 61.3866)
Luminance	0.2209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647ECE #CEB464

analogous

#64B3CE #647ECE #7F64CE

triadic

#647ECE #CE647E #7ECE64

tetradic

#647ECE #CE64B3 #CEB464 #64CE7F

square

#647ECE #CE64B3 #CEB464 #64CE7F

split-complementary

#647ECE #CE7F64 #B3CE64

monochromatic

#2C438C #3B5ABA #647ECE #92A5DD #C1CBEB

Accessibility & contrast

On white

3.88

#647ECE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#647ECE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ECE

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647ECE	#FFFFFF	#000000	##000000
##647ECE	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E86D1

Deuteranopia (green-blind)

#537DCC

Tritanopia (blue-blind)

#338F9C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647ece;
/* rgb */ color: rgb(100, 126, 206);
/* oklch */ color: oklch(60.9% 0.125 268.9);

Tailwind

colors: {
  custom: {
    50: '#96a3dd',
    500: '#647ece',
    950: '#000000',
  },
}

SCSS

$custom: #647ece;
$custom-light: #96a3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#647ece",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 206
  },
  "hsl": {
    "h": 225.283,
    "s": 51.961,
    "l": 60
  },
  "oklch": {
    "l": 0.6091,
    "c": 0.12544,
    "h": 268.9
  },
  "luminance": 0.22087
}

Semantic roles & 50–950 ramp

primary

#647ECE

secondary

#DBD1B2

accent

#B84CDB

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #647ECE

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

Preview Lab → · Contrast checker → · Palette generator →