#647CE5#647CE5

#647CE5 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.9% C 0.160 H 271.3°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#647CE5
RGB	rgb(100, 124, 229)
HSL	hsl(229, 71%, 65%)
HSV	hsv(229, 56%, 90%)
CMYK	cmyk(56.3%, 45.9%, 0%, 10.2%)
CIE-LAB	lab(54.84, 21.69, -56.12)
CIE-LCH	lch(54.84, 60.17, 291.13°)
OKLab	oklab(61.88% 0.0038 -0.16)
OKLCH	oklch(61.88% 0.16 271.3)
XYZ	xyz(26.6014, 22.7798, 77.1087)
Luminance	0.2278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CE5 #E5CD64

analogous

#64BDE5 #647CE5 #8D64E5

triadic

#647CE5 #E5647C #7CE564

tetradic

#647CE5 #E564BD #E5CD64 #64E58D

square

#647CE5 #E564BD #E5CD64 #64E58D

split-complementary

#647CE5 #E58D64 #BDE564

monochromatic

#1E39B1 #3050DC #647CE5 #98A8EE #CDD5F7

Accessibility & contrast

On white

3.78

#647CE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#647CE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CE5

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CE5	#FFFFFF	#000000	##000000
##647CE5	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B89E9

Deuteranopia (green-blind)

#3A7EE3

Tritanopia (blue-blind)

#0E93A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647ce5;
/* rgb */ color: rgb(100, 124, 229);
/* oklch */ color: oklch(61.9% 0.160 271.3);

Tailwind

colors: {
  custom: {
    50: '#99a1ee',
    500: '#647ce5',
    950: '#000000',
  },
}

SCSS

$custom: #647ce5;
$custom-light: #99a1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#647ce5",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 229
  },
  "hsl": {
    "h": 228.837,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.61876,
    "c": 0.16005,
    "h": 271.3
  },
  "luminance": 0.22782
}

Semantic roles & 50–950 ramp

primary

#647CE5

secondary

#E9E0BC

accent

#AF12D3

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E16

muted

#7F7E84

Preview Lab

Preview with #647CE5

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

Preview Lab → · Contrast checker → · Palette generator →