#648FAC#648FAC

#648FAC is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.0% C 0.064 H 238.6°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#648FAC
RGB	rgb(100, 143, 172)
HSL	hsl(204, 30%, 53%)
HSV	hsv(204, 42%, 67%)
CMYK	cmyk(41.9%, 16.9%, 0%, 32.5%)
CIE-LAB	lab(57.40, -6.96, -19.87)
CIE-LCH	lch(57.40, 21.06, 250.69°)
OKLab	oklab(62.98% -0.0335 -0.0549)
OKLCH	oklch(62.98% 0.064 238.6)
XYZ	xyz(22.5219, 25.3314, 42.7244)
Luminance	0.2533 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FAC #AC8164

analogous

#64ACA5 #648FAC #646BAC

triadic

#648FAC #AC648F #8FAC64

tetradic

#648FAC #A564AC #AC8164 #6BAC64

square

#648FAC #A564AC #AC8164 #6BAC64

split-complementary

#648FAC #AC646B #ACA564

monochromatic

#344F61 #4A7089 #648FAC #8CACC1 #B4C9D7

Accessibility & contrast

On white

3.46

#648FAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#648FAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FAC

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FAC	#FFFFFF	#000000	##000000
##648FAC	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828EAD

Deuteranopia (green-blind)

#7886AC

Tritanopia (blue-blind)

#489698

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #648fac;
/* rgb */ color: rgb(100, 143, 172);
/* oklch */ color: oklch(63.0% 0.064 238.6);

Tailwind

colors: {
  custom: {
    50: '#93afc4',
    500: '#648fac',
    950: '#000000',
  },
}

SCSS

$custom: #648fac;
$custom-light: #93afc4;
$custom-dark: #000000;

JSON

{
  "hex": "#648fac",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 172
  },
  "hsl": {
    "h": 204.167,
    "s": 30.252,
    "l": 53.333
  },
  "oklch": {
    "l": 0.6298,
    "c": 0.06434,
    "h": 238.6
  },
  "luminance": 0.25333
}

Semantic roles & 50–950 ramp

primary

#648FAC

secondary

#C5B3A6

accent

#8A61C6

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #648FAC

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

Preview Lab → · Contrast checker → · Palette generator →