#648FA3#648FA3

#648FA3 is a light, muted cyan. Relative luminance 0.250; OKLCH L 62.6% C 0.056 H 228.6°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#648FA3
RGB	rgb(100, 143, 163)
HSL	hsl(199, 26%, 52%)
HSV	hsv(199, 39%, 64%)
CMYK	cmyk(38.7%, 12.3%, 0%, 36.1%)
CIE-LAB	lab(57.07, -9.44, -15.22)
CIE-LCH	lch(57.07, 17.91, 238.20°)
OKLab	oklab(62.62% -0.0369 -0.0419)
OKLCH	oklch(62.62% 0.056 228.6)
XYZ	xyz(21.6866, 24.9973, 38.3255)
Luminance	0.2500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FA3 #A37864

analogous

#64A398 #648FA3 #6470A3

triadic

#648FA3 #A3648F #8FA364

tetradic

#648FA3 #9864A3 #A37864 #70A364

square

#648FA3 #9864A3 #A37864 #70A364

split-complementary

#648FA3 #A36470 #A39864

monochromatic

#344D58 #4B6E7F #648FA3 #8AABBA #B1C7D1

Accessibility & contrast

On white

3.50

#648FA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#648FA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FA3

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FA3	#FFFFFF	#000000	##000000
##648FA3	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)

#858DA4

Deuteranopia (green-blind)

#7B86A3

Tritanopia (blue-blind)

#4D9595

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #648fa3;
/* rgb */ color: rgb(100, 143, 163);
/* oklch */ color: oklch(62.6% 0.056 228.6);

Tailwind

colors: {
  custom: {
    50: '#93afbe',
    500: '#648fa3',
    950: '#000000',
  },
}

SCSS

$custom: #648fa3;
$custom-light: #93afbe;
$custom-dark: #000000;

JSON

{
  "hex": "#648fa3",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 163
  },
  "hsl": {
    "h": 199.048,
    "s": 25.506,
    "l": 51.569
  },
  "oklch": {
    "l": 0.62616,
    "c": 0.05583,
    "h": 228.6
  },
  "luminance": 0.24999
}

Semantic roles & 50–950 ramp

primary

#648FA3

secondary

#BFACA4

accent

#8366C2

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #648FA3

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

Preview Lab → · Contrast checker → · Palette generator →