#647FCA#647FCA

#647FCA is a mid, moderate blue. Relative luminance 0.222; OKLCH L 60.9% C 0.119 H 267.8°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#647FCA
RGB	rgb(100, 127, 202)
HSL	hsl(224, 49%, 59%)
HSV	hsv(224, 50%, 79%)
CMYK	cmyk(50.5%, 37.1%, 0%, 20.8%)
CIE-LAB	lab(54.19, 11.30, -41.95)
CIE-LCH	lch(54.19, 43.45, 285.08°)
OKLab	oklab(60.9% -0.0045 -0.1185)
OKLCH	oklch(60.9% 0.119 267.8)
XYZ	xyz(23.5021, 22.1508, 58.9028)
Luminance	0.2215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FCA #CAAF64

analogous

#64B2CA #647FCA #7C64CA

triadic

#647FCA #CA647F #7FCA64

tetradic

#647FCA #CA64B2 #CAAF64 #64CA7C

square

#647FCA #CA64B2 #CAAF64 #64CA7C

split-complementary

#647FCA #CA7C64 #B2CA64

monochromatic

#2E4586 #3D5DB3 #647FCA #92A5DA #BFCAE9

Accessibility & contrast

On white

3.87

#647FCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#647FCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FCA

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FCA	#FFFFFF	#000000	##000000
##647FCA	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6286CD

Deuteranopia (green-blind)

#577DC8

Tritanopia (blue-blind)

#378F9B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #647fca;
/* rgb */ color: rgb(100, 127, 202);
/* oklch */ color: oklch(60.9% 0.119 267.8);

Tailwind

colors: {
  custom: {
    50: '#96a3da',
    500: '#647fca',
    950: '#000000',
  },
}

SCSS

$custom: #647fca;
$custom-light: #96a3da;
$custom-dark: #000000;

JSON

{
  "hex": "#647fca",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 202
  },
  "hsl": {
    "h": 224.118,
    "s": 49.038,
    "l": 59.216
  },
  "oklch": {
    "l": 0.60897,
    "c": 0.11856,
    "h": 267.8
  },
  "luminance": 0.22152
}

Semantic roles & 50–950 ramp

primary

#647FCA

secondary

#D9CEB1

accent

#B44FD9

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #647FCA

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

Preview Lab → · Contrast checker → · Palette generator →