#647BCA#647BCA

#647BCA is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.1% C 0.124 H 270.1°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#647BCA
RGB	rgb(100, 123, 202)
HSL	hsl(226, 49%, 59%)
HSV	hsv(226, 50%, 79%)
CMYK	cmyk(50.5%, 39.1%, 0%, 20.8%)
CIE-LAB	lab(53.10, 13.71, -43.67)
CIE-LCH	lch(53.10, 45.77, 287.43°)
OKLab	oklab(60.06% 0.0002 -0.1235)
OKLCH	oklch(60.06% 0.124 270.1)
XYZ	xyz(22.9957, 21.1380, 58.7340)
Luminance	0.2114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BCA #CAB364

analogous

#64AECA #647BCA #8064CA

triadic

#647BCA #CA647B #7BCA64

tetradic

#647BCA #CA64AE #CAB364 #64CA80

square

#647BCA #CA64AE #CAB364 #64CA80

split-complementary

#647BCA #CA8064 #AECA64

monochromatic

#2E4286 #3D58B3 #647BCA #92A2DA #BFC9E9

Accessibility & contrast

On white

4.02

#647BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#647BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BCA

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BCA	#FFFFFF	#000000	##000000
##647BCA	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C84CD

Deuteranopia (green-blind)

#517BC8

Tritanopia (blue-blind)

#388C99

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #647bca;
/* rgb */ color: rgb(100, 123, 202);
/* oklch */ color: oklch(60.1% 0.124 270.1);

Tailwind

colors: {
  custom: {
    50: '#96a0da',
    500: '#647bca',
    950: '#000000',
  },
}

SCSS

$custom: #647bca;
$custom-light: #96a0da;
$custom-dark: #000000;

JSON

{
  "hex": "#647bca",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 202
  },
  "hsl": {
    "h": 226.471,
    "s": 49.038,
    "l": 59.216
  },
  "oklch": {
    "l": 0.60059,
    "c": 0.12351,
    "h": 270.1
  },
  "luminance": 0.2114
}

Semantic roles & 50–950 ramp

primary

#647BCA

secondary

#D9D0B1

accent

#BA4FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #647BCA

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

Preview Lab → · Contrast checker → · Palette generator →