#647CCD#647CCD

#647CCD is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.4% C 0.127 H 269.9°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#647CCD
RGB	rgb(100, 124, 205)
HSL	hsl(226, 51%, 60%)
HSV	hsv(226, 51%, 80%)
CMYK	cmyk(51.2%, 39.5%, 0%, 19.6%)
CIE-LAB	lab(53.53, 14.05, -44.70)
CIE-LCH	lch(53.53, 46.85, 287.44°)
OKLab	oklab(60.44% -0.0003 -0.1265)
OKLCH	oklch(60.44% 0.127 269.9)
XYZ	xyz(23.4790, 21.5308, 60.6644)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CCD #CDB564

analogous

#64B0CD #647CCD #8164CD

triadic

#647CCD #CD647C #7CCD64

tetradic

#647CCD #CD64B0 #CDB564 #64CD81

square

#647CCD #CD64B0 #CDB564 #64CD81

split-complementary

#647CCD #CD8164 #B0CD64

monochromatic

#2D428A #3B58B8 #647CCD #92A3DC #C1CAEB

Accessibility & contrast

On white

3.96

#647CCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#647CCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CCD

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CCD	#FFFFFF	#000000	##000000
##647CCD	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C85D0

Deuteranopia (green-blind)

#507CCB

Tritanopia (blue-blind)

#358D9B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647ccd;
/* rgb */ color: rgb(100, 124, 205);
/* oklch */ color: oklch(60.4% 0.127 269.9);

Tailwind

colors: {
  custom: {
    50: '#96a1dc',
    500: '#647ccd',
    950: '#000000',
  },
}

SCSS

$custom: #647ccd;
$custom-light: #96a1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#647ccd",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 205
  },
  "hsl": {
    "h": 226.286,
    "s": 51.22,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60437,
    "c": 0.12652,
    "h": 269.9
  },
  "luminance": 0.21532
}

Semantic roles & 50–950 ramp

primary

#647CCD

secondary

#DBD1B2

accent

#BA4DDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #647CCD

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

Preview Lab → · Contrast checker → · Palette generator →