#648FA4#648FA4

#648FA4 is a light, muted cyan. Relative luminance 0.250; OKLCH L 62.7% C 0.057 H 229.9°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#648FA4
RGB	rgb(100, 143, 164)
HSL	hsl(200, 26%, 52%)
HSV	hsv(200, 39%, 64%)
CMYK	cmyk(39%, 12.8%, 0%, 35.7%)
CIE-LAB	lab(57.11, -9.17, -15.74)
CIE-LCH	lch(57.11, 18.22, 239.79°)
OKLab	oklab(62.66% -0.0365 -0.0433)
OKLCH	oklch(62.66% 0.057 229.9)
XYZ	xyz(21.7766, 25.0333, 38.7992)
Luminance	0.2504 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FA4 #A47964

analogous

#64A499 #648FA4 #646FA4

triadic

#648FA4 #A4648F #8FA464

tetradic

#648FA4 #9964A4 #A47964 #6FA464

square

#648FA4 #9964A4 #A47964 #6FA464

split-complementary

#648FA4 #A4646F #A49964

monochromatic

#344D59 #4B6E80 #648FA4 #8BABBB #B1C7D1

Accessibility & contrast

On white

3.50

#648FA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#648FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FA4

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FA4	#FFFFFF	#000000	##000000
##648FA4	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848DA5

Deuteranopia (green-blind)

#7B86A4

Tritanopia (blue-blind)

#4C9596

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #648fa4;
/* rgb */ color: rgb(100, 143, 164);
/* oklch */ color: oklch(62.7% 0.057 229.9);

Tailwind

colors: {
  custom: {
    50: '#93afbf',
    500: '#648fa4',
    950: '#000000',
  },
}

SCSS

$custom: #648fa4;
$custom-light: #93afbf;
$custom-dark: #000000;

JSON

{
  "hex": "#648fa4",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 164
  },
  "hsl": {
    "h": 199.688,
    "s": 26.016,
    "l": 51.765
  },
  "oklch": {
    "l": 0.62655,
    "c": 0.05667,
    "h": 229.9
  },
  "luminance": 0.25035
}

Semantic roles & 50–950 ramp

primary

#648FA4

secondary

#C0ADA4

accent

#8465C2

background

#F9FAFB

surface

#F1F4F7

border

#CBCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #648FA4

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

Preview Lab → · Contrast checker → · Palette generator →