#647ABB#647ABB

#647ABB is a mid, moderate blue. Relative luminance 0.202; OKLCH L 59.0% C 0.103 H 268.9°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#647ABB
RGB	rgb(100, 122, 187)
HSL	hsl(225, 39%, 56%)
HSV	hsv(225, 47%, 73%)
CMYK	cmyk(46.5%, 34.8%, 0%, 26.7%)
CIE-LAB	lab(52.08, 9.70, -36.71)
CIE-LCH	lch(52.08, 37.96, 284.80°)
OKLab	oklab(59.03% -0.002 -0.1032)
OKLCH	oklch(59.03% 0.103 268.9)
XYZ	xyz(21.1819, 20.2150, 49.7898)
Luminance	0.2022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647ABB #BBA564

analogous

#64A6BB #647ABB #7A64BB

triadic

#647ABB #BB647A #7ABB64

tetradic

#647ABB #BB64A6 #BBA564 #64BB7A

square

#647ABB #BB64A6 #BBA564 #64BB7A

split-complementary

#647ABB #BB7A64 #A6BB64

monochromatic

#324272 #455B9D #647ABB #8F9FCE #B9C3E0

Accessibility & contrast

On white

4.16

#647ABB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#647ABB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ABB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647ABB	#FFFFFF	#000000	##000000
##647ABB	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6280BE

Deuteranopia (green-blind)

#5979BA

Tritanopia (blue-blind)

#438892

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #647abb;
/* rgb */ color: rgb(100, 122, 187);
/* oklch */ color: oklch(59.0% 0.103 268.9);

Tailwind

colors: {
  custom: {
    50: '#94a0d0',
    500: '#647abb',
    950: '#000000',
  },
}

SCSS

$custom: #647abb;
$custom-light: #94a0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#647abb",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 187
  },
  "hsl": {
    "h": 224.828,
    "s": 39.013,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59027,
    "c": 0.10325,
    "h": 268.9
  },
  "luminance": 0.20216
}

Semantic roles & 50–950 ramp

primary

#647ABB

secondary

#CFC6AB

accent

#B159CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #647ABB

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

Preview Lab → · Contrast checker → · Palette generator →