#648FA0#648FA0

#648FA0 is a light, muted cyan. Relative luminance 0.249; OKLCH L 62.5% C 0.053 H 224.5°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#648FA0
RGB	rgb(100, 143, 160)
HSL	hsl(197, 24%, 51%)
HSV	hsv(197, 38%, 63%)
CMYK	cmyk(37.5%, 10.6%, 0%, 37.3%)
CIE-LAB	lab(56.97, -10.24, -13.66)
CIE-LCH	lch(56.97, 17.08, 233.14°)
OKLab	oklab(62.5% -0.0381 -0.0375)
OKLCH	oklch(62.5% 0.053 224.5)
XYZ	xyz(21.4210, 24.8910, 36.9266)
Luminance	0.2489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FA0 #A07564

analogous

#64A093 #648FA0 #6471A0

triadic

#648FA0 #A0648F #8FA064

tetradic

#648FA0 #9364A0 #A07564 #71A064

square

#648FA0 #9364A0 #A07564 #71A064

split-complementary

#648FA0 #A06471 #A09364

monochromatic

#344C55 #4C6E7B #648FA0 #8AAAB7 #B0C6CF

Accessibility & contrast

On white

3.51

#648FA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#648FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FA0

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FA0	#FFFFFF	#000000	##000000
##648FA0	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#868DA1

Deuteranopia (green-blind)

#7C86A0

Tritanopia (blue-blind)

#4E9494

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #648fa0;
/* rgb */ color: rgb(100, 143, 160);
/* oklch */ color: oklch(62.5% 0.053 224.5);

Tailwind

colors: {
  custom: {
    50: '#92afbc',
    500: '#648fa0',
    950: '#000000',
  },
}

SCSS

$custom: #648fa0;
$custom-light: #92afbc;
$custom-dark: #000000;

JSON

{
  "hex": "#648fa0",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 160
  },
  "hsl": {
    "h": 197,
    "s": 24,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62499,
    "c": 0.05349,
    "h": 224.5
  },
  "luminance": 0.24892
}

Semantic roles & 50–950 ramp

primary

#648FA0

secondary

#BDAAA3

accent

#8167C0

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #648FA0

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

Preview Lab → · Contrast checker → · Palette generator →