#648DA8#648DA8

#648DA8 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.4% C 0.061 H 237.9°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#648DA8
RGB	rgb(100, 141, 168)
HSL	hsl(204, 28%, 53%)
HSV	hsv(204, 40%, 66%)
CMYK	cmyk(40.5%, 16.1%, 0%, 34.1%)
CIE-LAB	lab(56.67, -6.95, -18.70)
CIE-LCH	lch(56.67, 19.95, 249.61°)
OKLab	oklab(62.36% -0.0324 -0.0516)
OKLCH	oklch(62.36% 0.061 237.9)
XYZ	xyz(21.8459, 24.5849, 40.6324)
Luminance	0.2459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DA8 #A87F64

analogous

#64A8A1 #648DA8 #646BA8

triadic

#648DA8 #A8648D #8DA864

tetradic

#648DA8 #A164A8 #A87F64 #6BA864

square

#648DA8 #A164A8 #A87F64 #6BA864

split-complementary

#648DA8 #A8646B #A8A164

monochromatic

#344D5D #4A6D84 #648DA8 #8BAABE #B2C7D4

Accessibility & contrast

On white

3.55

#648DA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#648DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DA8

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DA8	#FFFFFF	#000000	##000000
##648DA8	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818CA9

Deuteranopia (green-blind)

#7885A8

Tritanopia (blue-blind)

#4B9496

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #648da8;
/* rgb */ color: rgb(100, 141, 168);
/* oklch */ color: oklch(62.4% 0.061 237.9);

Tailwind

colors: {
  custom: {
    50: '#93aec2',
    500: '#648da8',
    950: '#000000',
  },
}

SCSS

$custom: #648da8;
$custom-light: #93aec2;
$custom-dark: #000000;

JSON

{
  "hex": "#648da8",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 168
  },
  "hsl": {
    "h": 203.824,
    "s": 28.099,
    "l": 52.549
  },
  "oklch": {
    "l": 0.62355,
    "c": 0.06094,
    "h": 237.9
  },
  "luminance": 0.24586
}

Semantic roles & 50–950 ramp

primary

#648DA8

secondary

#C3B1A5

accent

#8A63C4

background

#F9FAFB

surface

#F1F4F7

border

#CBCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #648DA8

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

Preview Lab → · Contrast checker → · Palette generator →