#647FD9#647FD9

#647FD9 is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.8% C 0.140 H 269.4°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#647FD9
RGB	rgb(100, 127, 217)
HSL	hsl(226, 61%, 62%)
HSV	hsv(226, 54%, 85%)
CMYK	cmyk(53.9%, 41.5%, 0%, 14.9%)
CIE-LAB	lab(54.97, 16.03, -49.20)
CIE-LCH	lch(54.97, 51.74, 288.04°)
OKLab	oklab(61.75% -0.0014 -0.1397)
OKLCH	oklch(61.75% 0.14 269.4)
XYZ	xyz(25.3652, 22.8960, 68.7149)
Luminance	0.2290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FD9 #D9BE64

analogous

#64BAD9 #647FD9 #8464D9

triadic

#647FD9 #D9647F #7FD964

tetradic

#647FD9 #D964BA #D9BE64 #64D984

square

#647FD9 #D964BA #D9BE64 #64D984

split-complementary

#647FD9 #D98464 #BAD964

monochromatic

#26429C #3356CD #647FD9 #95A8E5 #C6D0F1

Accessibility & contrast

On white

3.76

#647FD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#647FD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FD9

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FD9	#FFFFFF	#000000	##000000
##647FD9	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5989DC

Deuteranopia (green-blind)

#4B7FD7

Tritanopia (blue-blind)

#2693A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647fd9;
/* rgb */ color: rgb(100, 127, 217);
/* oklch */ color: oklch(61.8% 0.140 269.4);

Tailwind

colors: {
  custom: {
    50: '#98a3e5',
    500: '#647fd9',
    950: '#000000',
  },
}

SCSS

$custom: #647fd9;
$custom-light: #98a3e5;
$custom-dark: #000000;

JSON

{
  "hex": "#647fd9",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 217
  },
  "hsl": {
    "h": 226.154,
    "s": 60.622,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61751,
    "c": 0.13967,
    "h": 269.4
  },
  "luminance": 0.22898
}

Semantic roles & 50–950 ramp

primary

#647FD9

secondary

#E2D8B7

accent

#A11DC8

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #647FD9

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

Preview Lab → · Contrast checker → · Palette generator →