#648CB0#648CB0

#648CB0 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.5% C 0.070 H 246.4°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#648CB0
RGB	rgb(100, 140, 176)
HSL	hsl(208, 32%, 54%)
HSV	hsv(208, 43%, 69%)
CMYK	cmyk(43.2%, 20.5%, 0%, 31%)
CIE-LAB	lab(56.68, -4.13, -23.25)
CIE-LCH	lch(56.68, 23.62, 259.92°)
OKLab	oklab(62.47% -0.0282 -0.0645)
OKLCH	oklch(62.47% 0.07 246.4)
XYZ	xyz(22.4675, 24.5987, 44.6300)
Luminance	0.2460 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CB0 #B08864

analogous

#64B0AE #648CB0 #6466B0

triadic

#648CB0 #B0648C #8CB064

tetradic

#648CB0 #AE64B0 #B08864 #66B064

square

#648CB0 #AE64B0 #B08864 #66B064

split-complementary

#648CB0 #B06466 #B0AE64

monochromatic

#344E66 #496D8E #648CB0 #8DAAC5 #B5C8D9

Accessibility & contrast

On white

3.55

#648CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#648CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CB0

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CB0	#FFFFFF	#000000	##000000
##648CB0	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8CB2

Deuteranopia (green-blind)

#7485AF

Tritanopia (blue-blind)

#479498

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #648cb0;
/* rgb */ color: rgb(100, 140, 176);
/* oklch */ color: oklch(62.5% 0.070 246.4);

Tailwind

colors: {
  custom: {
    50: '#93adc7',
    500: '#648cb0',
    950: '#000000',
  },
}

SCSS

$custom: #648cb0;
$custom-light: #93adc7;
$custom-dark: #000000;

JSON

{
  "hex": "#648cb0",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 176
  },
  "hsl": {
    "h": 208.421,
    "s": 32.479,
    "l": 54.118
  },
  "oklch": {
    "l": 0.62466,
    "c": 0.0704,
    "h": 246.4
  },
  "luminance": 0.246
}

Semantic roles & 50–950 ramp

primary

#648CB0

secondary

#C8B7A8

accent

#915FC9

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #648CB0

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

Preview Lab → · Contrast checker → · Palette generator →