#647AE9#647AE9

#647AE9 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.7% C 0.168 H 272.2°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#647AE9
RGB	rgb(100, 122, 233)
HSL	hsl(230, 75%, 65%)
HSV	hsv(230, 57%, 91%)
CMYK	cmyk(57.1%, 47.6%, 0%, 8.6%)
CIE-LAB	lab(54.56, 24.20, -58.81)
CIE-LCH	lch(54.56, 63.59, 292.37°)
OKLab	oklab(61.74% 0.0064 -0.1679)
OKLCH	oklch(61.74% 0.168 272.2)
XYZ	xyz(26.9182, 22.5095, 80.0013)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AE9 #E9D364

analogous

#64BDE9 #647AE9 #9064E9

triadic

#647AE9 #E9647A #7AE964

tetradic

#647AE9 #E964BD #E9D364 #64E990

square

#647AE9 #E964BD #E9D364 #64E990

split-complementary

#647AE9 #E99064 #BDE964

monochromatic

#1A34B8 #2E4CE1 #647AE9 #9AA8F1 #CFD6F8

Accessibility & contrast

On white

3.82

#647AE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#647AE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AE9

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AE9	#FFFFFF	#000000	##000000
##647AE9	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4489ED

Deuteranopia (green-blind)

#2F7DE7

Tritanopia (blue-blind)

#0093A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647ae9;
/* rgb */ color: rgb(100, 122, 233);
/* oklch */ color: oklch(61.7% 0.168 272.2);

Tailwind

colors: {
  custom: {
    50: '#9aa0f1',
    500: '#647ae9',
    950: '#000000',
  },
}

SCSS

$custom: #647ae9;
$custom-light: #9aa0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#647ae9",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 233
  },
  "hsl": {
    "h": 230.075,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.61737,
    "c": 0.16804,
    "h": 272.2
  },
  "luminance": 0.22512
}

Semantic roles & 50–950 ramp

primary

#647AE9

secondary

#EBE3BE

accent

#B60ED7

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647AE9

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

Preview Lab → · Contrast checker → · Palette generator →