#647ADA#647ADA

#647ADA is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.8% C 0.147 H 271.7°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#647ADA
RGB	rgb(100, 122, 218)
HSL	hsl(229, 61%, 62%)
HSV	hsv(229, 54%, 85%)
CMYK	cmyk(54.1%, 44%, 0%, 14.5%)
CIE-LAB	lab(53.70, 19.38, -51.78)
CIE-LCH	lch(53.70, 55.29, 290.51°)
OKLab	oklab(60.8% 0.0043 -0.1473)
OKLCH	oklch(60.8% 0.147 271.7)
XYZ	xyz(24.8658, 21.6886, 69.1921)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647ADA #DAC464

analogous

#64B5DA #647ADA #8964DA

triadic

#647ADA #DA647A #7ADA64

tetradic

#647ADA #DA64B5 #DAC464 #64DA89

square

#647ADA #DA64B5 #DAC464 #64DA89

split-complementary

#647ADA #DA8964 #B5DA64

monochromatic

#263C9E #3350CE #647ADA #95A4E6 #C7CFF2

Accessibility & contrast

On white

3.93

#647ADA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#647ADA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ADA

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647ADA	#FFFFFF	#000000	##000000
##647ADA	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5086DE

Deuteranopia (green-blind)

#427CD8

Tritanopia (blue-blind)

#268F9F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647ada;
/* rgb */ color: rgb(100, 122, 218);
/* oklch */ color: oklch(60.8% 0.147 271.7);

Tailwind

colors: {
  custom: {
    50: '#98a0e6',
    500: '#647ada',
    950: '#000000',
  },
}

SCSS

$custom: #647ada;
$custom-light: #98a0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#647ada",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 218
  },
  "hsl": {
    "h": 228.814,
    "s": 61.458,
    "l": 62.353
  },
  "oklch": {
    "l": 0.60796,
    "c": 0.14734,
    "h": 271.7
  },
  "luminance": 0.2169
}

Semantic roles & 50–950 ramp

primary

#647ADA

secondary

#E2DAB7

accent

#A91CC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #647ADA

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

Preview Lab → · Contrast checker → · Palette generator →