#648CB2#648CB2

#648CB2 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.6% C 0.073 H 247.8°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#648CB2
RGB	rgb(100, 140, 178)
HSL	hsl(209, 34%, 55%)
HSV	hsv(209, 44%, 70%)
CMYK	cmyk(43.8%, 21.3%, 0%, 30.2%)
CIE-LAB	lab(56.76, -3.56, -24.27)
CIE-LCH	lch(56.76, 24.53, 261.66°)
OKLab	oklab(62.55% -0.0275 -0.0674)
OKLCH	oklch(62.55% 0.073 247.8)
XYZ	xyz(22.6668, 24.6784, 45.6799)
Luminance	0.2468 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CB2 #B28A64

analogous

#64B2B1 #648CB2 #6465B2

triadic

#648CB2 #B2648C #8CB264

tetradic

#648CB2 #B164B2 #B28A64 #65B264

square

#648CB2 #B164B2 #B28A64 #65B264

split-complementary

#648CB2 #B26465 #B2B164

monochromatic

#344E68 #486D91 #648CB2 #8DAAC6 #B6C9DB

Accessibility & contrast

On white

3.54

#648CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#648CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CB2

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CB2	#FFFFFF	#000000	##000000
##648CB2	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8DB4

Deuteranopia (green-blind)

#7385B1

Tritanopia (blue-blind)

#459599

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #648cb2;
/* rgb */ color: rgb(100, 140, 178);
/* oklch */ color: oklch(62.6% 0.073 247.8);

Tailwind

colors: {
  custom: {
    50: '#94adc9',
    500: '#648cb2',
    950: '#000000',
  },
}

SCSS

$custom: #648cb2;
$custom-light: #94adc9;
$custom-dark: #000000;

JSON

{
  "hex": "#648cb2",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 178
  },
  "hsl": {
    "h": 209.231,
    "s": 33.621,
    "l": 54.51
  },
  "oklch": {
    "l": 0.62554,
    "c": 0.0728,
    "h": 247.8
  },
  "luminance": 0.2468
}

Semantic roles & 50–950 ramp

primary

#648CB2

secondary

#C9B8A8

accent

#935ECA

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #648CB2

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

Preview Lab → · Contrast checker → · Palette generator →