#648BC1#648BC1

#648BC1 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.093 H 256.7°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#648BC1
RGB	rgb(100, 139, 193)
HSL	hsl(215, 43%, 57%)
HSV	hsv(215, 48%, 76%)
CMYK	cmyk(48.2%, 28%, 0%, 24.3%)
CIE-LAB	lab(57.10, 1.44, -32.28)
CIE-LCH	lch(57.10, 32.31, 272.55°)
OKLab	oklab(63.02% -0.0214 -0.0904)
OKLCH	oklch(63.02% 0.093 256.7)
XYZ	xyz(24.1106, 25.0232, 54.0012)
Luminance	0.2502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BC1 #C19A64

analogous

#64B9C1 #648BC1 #6C64C1

triadic

#648BC1 #C1648B #8BC164

tetradic

#648BC1 #C164B9 #C19A64 #64C16C

square

#648BC1 #C164B9 #C19A64 #64C16C

split-complementary

#648BC1 #C16C64 #B9C164

monochromatic

#314F7A #426CA6 #648BC1 #90ACD2 #BBCCE4

Accessibility & contrast

On white

3.50

#648BC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#648BC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BC1

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BC1	#FFFFFF	#000000	##000000
##648BC1	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768EC3

Deuteranopia (green-blind)

#6B85C0

Tritanopia (blue-blind)

#3C979E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #648bc1;
/* rgb */ color: rgb(100, 139, 193);
/* oklch */ color: oklch(63.0% 0.093 256.7);

Tailwind

colors: {
  custom: {
    50: '#95acd4',
    500: '#648bc1',
    950: '#000000',
  },
}

SCSS

$custom: #648bc1;
$custom-light: #95acd4;
$custom-dark: #000000;

JSON

{
  "hex": "#648bc1",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 193
  },
  "hsl": {
    "h": 214.839,
    "s": 42.857,
    "l": 57.451
  },
  "oklch": {
    "l": 0.63024,
    "c": 0.09286,
    "h": 256.7
  },
  "luminance": 0.25025
}

Semantic roles & 50–950 ramp

primary

#648BC1

secondary

#D3C3AE

accent

#9E55D3

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #648BC1

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

Preview Lab → · Contrast checker → · Palette generator →