#647ADB#647ADB

#647ADB is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.9% C 0.149 H 271.7°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#647ADB
RGB	rgb(100, 122, 219)
HSL	hsl(229, 62%, 63%)
HSV	hsv(229, 54%, 86%)
CMYK	cmyk(54.3%, 44.3%, 0%, 14.1%)
CIE-LAB	lab(53.75, 19.70, -52.26)
CIE-LCH	lch(53.75, 55.85, 290.65°)
OKLab	oklab(60.86% 0.0045 -0.1487)
OKLCH	oklch(60.86% 0.149 271.7)
XYZ	xyz(24.9971, 21.7411, 69.8833)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647ADB #DBC564

analogous

#64B5DB #647ADB #8A64DB

triadic

#647ADB #DB647A #7ADB64

tetradic

#647ADB #DB64B5 #DBC564 #64DB8A

square

#647ADB #DB64B5 #DBC564 #64DB8A

split-complementary

#647ADB #DB8A64 #B5DB64

monochromatic

#253CA0 #324FCF #647ADB #96A5E7 #C7CFF2

Accessibility & contrast

On white

3.93

#647ADB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#647ADB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ADB

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647ADB	#FFFFFF	#000000	##000000
##647ADB	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F86DF

Deuteranopia (green-blind)

#417CD9

Tritanopia (blue-blind)

#258FA0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647adb;
/* rgb */ color: rgb(100, 122, 219);
/* oklch */ color: oklch(60.9% 0.149 271.7);

Tailwind

colors: {
  custom: {
    50: '#98a0e7',
    500: '#647adb',
    950: '#000000',
  },
}

SCSS

$custom: #647adb;
$custom-light: #98a0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#647adb",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 219
  },
  "hsl": {
    "h": 228.908,
    "s": 62.304,
    "l": 62.549
  },
  "oklch": {
    "l": 0.60857,
    "c": 0.14874,
    "h": 271.7
  },
  "luminance": 0.21743
}

Semantic roles & 50–950 ramp

primary

#647ADB

secondary

#E3DBB8

accent

#AA1BCA

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #647ADB

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

Preview Lab → · Contrast checker → · Palette generator →