#648BBC#648BBC

#648BBC is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.8% C 0.086 H 254.6°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#648BBC
RGB	rgb(100, 139, 188)
HSL	hsl(213, 40%, 56%)
HSV	hsv(213, 47%, 74%)
CMYK	cmyk(46.8%, 26.1%, 0%, 26.3%)
CIE-LAB	lab(56.88, -0.06, -29.78)
CIE-LCH	lch(56.88, 29.78, 269.89°)
OKLab	oklab(62.79% -0.023 -0.0831)
OKLCH	oklch(62.79% 0.086 254.6)
XYZ	xyz(23.5622, 24.8038, 51.1132)
Luminance	0.2480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BBC #BC9564

analogous

#64B7BC #648BBC #6964BC

triadic

#648BBC #BC648B #8BBC64

tetradic

#648BBC #BC64B7 #BC9564 #64BC69

square

#648BBC #BC64B7 #BC9564 #64BC69

split-complementary

#648BBC #BC6964 #B7BC64

monochromatic

#324F74 #446C9E #648BBC #8FABCE #B9CBE1

Accessibility & contrast

On white

3.52

#648BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#648BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BBC

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BBC	#FFFFFF	#000000	##000000
##648BBC	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBE

Deuteranopia (green-blind)

#6D85BB

Tritanopia (blue-blind)

#3F969C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #648bbc;
/* rgb */ color: rgb(100, 139, 188);
/* oklch */ color: oklch(62.8% 0.086 254.6);

Tailwind

colors: {
  custom: {
    50: '#94acd0',
    500: '#648bbc',
    950: '#000000',
  },
}

SCSS

$custom: #648bbc;
$custom-light: #94acd0;
$custom-dark: #000000;

JSON

{
  "hex": "#648bbc",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 188
  },
  "hsl": {
    "h": 213.409,
    "s": 39.64,
    "l": 56.471
  },
  "oklch": {
    "l": 0.62785,
    "c": 0.08626,
    "h": 254.6
  },
  "luminance": 0.24805
}

Semantic roles & 50–950 ramp

primary

#648BBC

secondary

#D0C0AC

accent

#9B58D0

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #648BBC

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

Preview Lab → · Contrast checker → · Palette generator →