#647DCD#647DCD

#647DCD is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.6% C 0.125 H 269.3°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#647DCD
RGB	rgb(100, 125, 205)
HSL	hsl(226, 51%, 60%)
HSV	hsv(226, 51%, 80%)
CMYK	cmyk(51.2%, 39%, 0%, 19.6%)
CIE-LAB	lab(53.80, 13.44, -44.27)
CIE-LCH	lch(53.80, 46.27, 286.89°)
OKLab	oklab(60.65% -0.0015 -0.1253)
OKLCH	oklch(60.65% 0.125 269.3)
XYZ	xyz(23.6050, 21.7828, 60.7064)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DCD #CDB464

analogous

#64B2CD #647DCD #7F64CD

triadic

#647DCD #CD647D #7DCD64

tetradic

#647DCD #CD64B2 #CDB464 #64CD7F

square

#647DCD #CD64B2 #CDB464 #64CD7F

split-complementary

#647DCD #CD7F64 #B2CD64

monochromatic

#2D438A #3B59B8 #647DCD #92A4DC #C1CBEB

Accessibility & contrast

On white

3.92

#647DCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#647DCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DCD

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DCD	#FFFFFF	#000000	##000000
##647DCD	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)

#5D85D0

Deuteranopia (green-blind)

#527CCB

Tritanopia (blue-blind)

#358E9B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647dcd;
/* rgb */ color: rgb(100, 125, 205);
/* oklch */ color: oklch(60.6% 0.125 269.3);

Tailwind

colors: {
  custom: {
    50: '#96a2dc',
    500: '#647dcd',
    950: '#000000',
  },
}

SCSS

$custom: #647dcd;
$custom-light: #96a2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#647dcd",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 205
  },
  "hsl": {
    "h": 225.714,
    "s": 51.22,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60645,
    "c": 0.12527,
    "h": 269.3
  },
  "luminance": 0.21784
}

Semantic roles & 50–950 ramp

primary

#647DCD

secondary

#DBD1B2

accent

#B94DDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #647DCD

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

Preview Lab → · Contrast checker → · Palette generator →