#648CAA#648CAA

#648CAA is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.2% C 0.064 H 241.4°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#648CAA
RGB	rgb(100, 140, 170)
HSL	hsl(206, 29%, 53%)
HSV	hsv(206, 41%, 67%)
CMYK	cmyk(41.2%, 17.6%, 0%, 33.3%)
CIE-LAB	lab(56.45, -5.83, -20.17)
CIE-LCH	lch(56.45, 21.00, 253.89°)
OKLab	oklab(62.21% -0.0304 -0.0558)
OKLCH	oklch(62.21% 0.064 241.4)
XYZ	xyz(21.8869, 24.3664, 41.5723)
Luminance	0.2437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CAA #AA8264

analogous

#64AAA5 #648CAA #6469AA

triadic

#648CAA #AA648C #8CAA64

tetradic

#648CAA #A564AA #AA8264 #69AA64

square

#648CAA #A564AA #AA8264 #69AA64

split-complementary

#648CAA #AA6469 #AAA564

monochromatic

#344D5F #4A6D87 #648CAA #8CA9C0 #B3C7D5

Accessibility & contrast

On white

3.58

#648CAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#648CAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CAA

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CAA	#FFFFFF	#000000	##000000
##648CAA	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8CAB

Deuteranopia (green-blind)

#7684A9

Tritanopia (blue-blind)

#4A9396

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #648caa;
/* rgb */ color: rgb(100, 140, 170);
/* oklch */ color: oklch(62.2% 0.064 241.4);

Tailwind

colors: {
  custom: {
    50: '#93adc3',
    500: '#648caa',
    950: '#000000',
  },
}

SCSS

$custom: #648caa;
$custom-light: #93adc3;
$custom-dark: #000000;

JSON

{
  "hex": "#648caa",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 170
  },
  "hsl": {
    "h": 205.714,
    "s": 29.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62209,
    "c": 0.0635,
    "h": 241.4
  },
  "luminance": 0.24368
}

Semantic roles & 50–950 ramp

primary

#648CAA

secondary

#C4B3A6

accent

#8D62C5

background

#F9FAFC

surface

#F1F4F8

border

#CBCED1

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #648CAA

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

Preview Lab → · Contrast checker → · Palette generator →