#64B4E6#64B4E6

#64B4E6 is a light, moderate cyan. Relative luminance 0.411; OKLCH L 73.9% C 0.107 H 238.0°. Best body text is #000000 at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#64B4E6
RGB	rgb(100, 180, 230)
HSL	hsl(203, 72%, 65%)
HSV	hsv(203, 57%, 90%)
CMYK	cmyk(56.5%, 21.7%, 0%, 9.8%)
CIE-LAB	lab(70.22, -10.36, -32.48)
CIE-LCH	lch(70.22, 34.09, 252.31°)
OKLab	oklab(73.87% -0.0567 -0.0908)
OKLCH	oklch(73.87% 0.107 238)
XYZ	xyz(35.8544, 41.0618, 80.8838)
Luminance	0.4107 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4E6 #E69664

analogous

#64E6D7 #64B4E6 #6473E6

triadic

#64B4E6 #E664B4 #B4E664

tetradic

#64B4E6 #D764E6 #E69664 #73E664

square

#64B4E6 #D764E6 #E69664 #73E664

split-complementary

#64B4E6 #E66473 #E6D764

monochromatic

#1D79B3 #2F9ADD #64B4E6 #99CEEE #CDE7F7

Accessibility & contrast

On white

2.28

#64B4E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.21

#64B4E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4E6

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4E6	#FFFFFF	#000000	##000000
##64B4E6	1.00	2.28	9.21	9.21
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.21	21.00	1.00	1.00
##000000	9.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB3E8

Deuteranopia (green-blind)

#8BA6E5

Tritanopia (blue-blind)

#00C1C5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b4e6;
/* rgb */ color: rgb(100, 180, 230);
/* oklch */ color: oklch(73.9% 0.107 238.0);

Tailwind

colors: {
  custom: {
    50: '#99caee',
    500: '#64b4e6',
    950: '#000000',
  },
}

SCSS

$custom: #64b4e6;
$custom-light: #99caee;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4e6",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 230
  },
  "hsl": {
    "h": 203.077,
    "s": 72.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.73868,
    "c": 0.10707,
    "h": 238
  },
  "luminance": 0.41065
}

Semantic roles & 50–950 ramp

primary

#64B4E6

secondary

#E9CEBD

accent

#5C11D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B4E6

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

Preview Lab → · Contrast checker → · Palette generator →