#648FBC#648FBC

#648FBC is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.7% C 0.083 H 250.3°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#648FBC
RGB	rgb(100, 143, 188)
HSL	hsl(211, 40%, 56%)
HSV	hsv(211, 47%, 74%)
CMYK	cmyk(46.8%, 23.9%, 0%, 26.3%)
CIE-LAB	lab(58.02, -2.36, -28.01)
CIE-LCH	lch(58.02, 28.11, 265.18°)
OKLab	oklab(63.68% -0.0279 -0.0781)
OKLCH	oklch(63.68% 0.083 250.3)
XYZ	xyz(24.1520, 25.9834, 51.3098)
Luminance	0.2599 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FBC #BC9164

analogous

#64BBBC #648FBC #6564BC

triadic

#648FBC #BC648F #8FBC64

tetradic

#648FBC #BC64BB #BC9164 #64BC65

square

#648FBC #BC64BB #BC9164 #64BC65

split-complementary

#648FBC #BC6564 #BBBC64

monochromatic

#325274 #44709E #648FBC #8FAECE #B9CDE1

Accessibility & contrast

On white

3.39

#648FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#648FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FBC

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FBC	#FFFFFF	#000000	##000000
##648FBC	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D90BE

Deuteranopia (green-blind)

#7288BB

Tritanopia (blue-blind)

#3F999E

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #648fbc;
/* rgb */ color: rgb(100, 143, 188);
/* oklch */ color: oklch(63.7% 0.083 250.3);

Tailwind

colors: {
  custom: {
    50: '#94afd0',
    500: '#648fbc',
    950: '#000000',
  },
}

SCSS

$custom: #648fbc;
$custom-light: #94afd0;
$custom-dark: #000000;

JSON

{
  "hex": "#648fbc",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 188
  },
  "hsl": {
    "h": 210.682,
    "s": 39.64,
    "l": 56.471
  },
  "oklch": {
    "l": 0.63679,
    "c": 0.08293,
    "h": 250.3
  },
  "luminance": 0.25985
}

Semantic roles & 50–950 ramp

primary

#648FBC

secondary

#D0BEAC

accent

#9558D0

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #648FBC

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

Preview Lab → · Contrast checker → · Palette generator →