#648BB0#648BB0

#648BB0 is a light, moderate cyan. Relative luminance 0.243; OKLCH L 62.2% C 0.071 H 247.7°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#648BB0
RGB	rgb(100, 139, 176)
HSL	hsl(209, 32%, 54%)
HSV	hsv(209, 43%, 69%)
CMYK	cmyk(43.2%, 21%, 0%, 31%)
CIE-LAB	lab(56.39, -3.56, -23.69)
CIE-LCH	lch(56.39, 23.96, 261.45°)
OKLab	oklab(62.24% -0.0269 -0.0657)
OKLCH	oklch(62.24% 0.071 247.7)
XYZ	xyz(22.3220, 24.3078, 44.5815)
Luminance	0.2431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BB0 #B08964

analogous

#64B0AF #648BB0 #6465B0

triadic

#648BB0 #B0648B #8BB064

tetradic

#648BB0 #AF64B0 #B08964 #65B064

square

#648BB0 #AF64B0 #B08964 #65B064

split-complementary

#648BB0 #B06465 #B0AF64

monochromatic

#344D66 #496C8E #648BB0 #8DA9C5 #B5C8D9

Accessibility & contrast

On white

3.58

#648BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#648BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BB0

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BB0	#FFFFFF	#000000	##000000
##648BB0	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB2

Deuteranopia (green-blind)

#7384AF

Tritanopia (blue-blind)

#479497

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #648bb0;
/* rgb */ color: rgb(100, 139, 176);
/* oklch */ color: oklch(62.2% 0.071 247.7);

Tailwind

colors: {
  custom: {
    50: '#93acc7',
    500: '#648bb0',
    950: '#000000',
  },
}

SCSS

$custom: #648bb0;
$custom-light: #93acc7;
$custom-dark: #000000;

JSON

{
  "hex": "#648bb0",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 209.211,
    "s": 32.479,
    "l": 54.118
  },
  "oklch": {
    "l": 0.62239,
    "c": 0.07106,
    "h": 247.7
  },
  "luminance": 0.24309
}

Semantic roles & 50–950 ramp

primary

#648BB0

secondary

#C8B7A8

accent

#935FC9

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #648BB0

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

Preview Lab → · Contrast checker → · Palette generator →