#647ABC#647ABC

#647ABC is a mid, moderate blue. Relative luminance 0.203; OKLCH L 59.1% C 0.105 H 269.0°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#647ABC
RGB	rgb(100, 122, 188)
HSL	hsl(225, 40%, 56%)
HSV	hsv(225, 47%, 74%)
CMYK	cmyk(46.8%, 35.1%, 0%, 26.3%)
CIE-LAB	lab(52.13, 10.00, -37.20)
CIE-LCH	lch(52.13, 38.52, 285.04°)
OKLab	oklab(59.08% -0.0017 -0.1047)
OKLCH	oklch(59.08% 0.105 269)
XYZ	xyz(21.2893, 20.2580, 50.3556)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647ABC #BCA664

analogous

#64A6BC #647ABC #7A64BC

triadic

#647ABC #BC647A #7ABC64

tetradic

#647ABC #BC64A6 #BCA664 #64BC7A

square

#647ABC #BC64A6 #BCA664 #64BC7A

split-complementary

#647ABC #BC7A64 #A6BC64

monochromatic

#324274 #445B9E #647ABC #8F9FCE #B9C3E1

Accessibility & contrast

On white

4.16

#647ABC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#647ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647ABC

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647ABC	#FFFFFF	#000000	##000000
##647ABC	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6280BF

Deuteranopia (green-blind)

#5979BB

Tritanopia (blue-blind)

#428892

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #647abc;
/* rgb */ color: rgb(100, 122, 188);
/* oklch */ color: oklch(59.1% 0.105 269.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#647abc",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 188
  },
  "hsl": {
    "h": 225,
    "s": 39.64,
    "l": 56.471
  },
  "oklch": {
    "l": 0.5908,
    "c": 0.10469,
    "h": 269
  },
  "luminance": 0.20259
}

Semantic roles & 50–950 ramp

primary

#647ABC

secondary

#D0C7AC

accent

#B258D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #647ABC

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

Preview Lab → · Contrast checker → · Palette generator →