#648FB0#648FB0

#648FB0 is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.069 H 242.2°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#648FB0
RGB	rgb(100, 143, 176)
HSL	hsl(206, 32%, 54%)
HSV	hsv(206, 43%, 69%)
CMYK	cmyk(43.2%, 18.7%, 0%, 31%)
CIE-LAB	lab(57.55, -5.84, -21.92)
CIE-LCH	lch(57.55, 22.69, 255.10°)
OKLab	oklab(63.15% -0.032 -0.0607)
OKLCH	oklch(63.15% 0.069 242.2)
XYZ	xyz(22.9118, 25.4874, 44.7781)
Luminance	0.2549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FB0 #B08564

analogous

#64B0AB #648FB0 #6469B0

triadic

#648FB0 #B0648F #8FB064

tetradic

#648FB0 #AB64B0 #B08564 #69B064

square

#648FB0 #AB64B0 #B08564 #69B064

split-complementary

#648FB0 #B06469 #B0AB64

monochromatic

#345066 #49708E #648FB0 #8DACC5 #B5CAD9

Accessibility & contrast

On white

3.44

#648FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#648FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FB0

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FB0	#FFFFFF	#000000	##000000
##648FB0	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818FB2

Deuteranopia (green-blind)

#7787AF

Tritanopia (blue-blind)

#46979A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #648fb0;
/* rgb */ color: rgb(100, 143, 176);
/* oklch */ color: oklch(63.1% 0.069 242.2);

Tailwind

colors: {
  custom: {
    50: '#93afc7',
    500: '#648fb0',
    950: '#000000',
  },
}

SCSS

$custom: #648fb0;
$custom-light: #93afc7;
$custom-dark: #000000;

JSON

{
  "hex": "#648fb0",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 176
  },
  "hsl": {
    "h": 206.053,
    "s": 32.479,
    "l": 54.118
  },
  "oklch": {
    "l": 0.63148,
    "c": 0.06867,
    "h": 242.2
  },
  "luminance": 0.25489
}

Semantic roles & 50–950 ramp

primary

#648FB0

secondary

#C8B6A8

accent

#8D5FC9

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #648FB0

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

Preview Lab → · Contrast checker → · Palette generator →