#64B4E4#64B4E4

#64B4E4 is a light, moderate cyan. Relative luminance 0.410; OKLCH L 73.8% C 0.105 H 236.9°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#64B4E4
RGB	rgb(100, 180, 228)
HSL	hsl(203, 70%, 64%)
HSV	hsv(203, 56%, 89%)
CMYK	cmyk(56.1%, 21.1%, 0%, 10.6%)
CIE-LAB	lab(70.14, -10.96, -31.51)
CIE-LCH	lch(70.14, 33.36, 250.82°)
OKLab	oklab(73.78% -0.0574 -0.088)
OKLCH	oklch(73.78% 0.105 236.9)
XYZ	xyz(35.5752, 40.9501, 79.4131)
Luminance	0.4095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4E4 #E49464

analogous

#64E4D4 #64B4E4 #6474E4

triadic

#64B4E4 #E464B4 #B4E464

tetradic

#64B4E4 #D464E4 #E49464 #74E464

square

#64B4E4 #D464E4 #E49464 #74E464

split-complementary

#64B4E4 #E46474 #E4D464

monochromatic

#1F79AF #309BDB #64B4E4 #98CDED #CCE6F6

Accessibility & contrast

On white

2.28

#64B4E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#64B4E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4E4

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4E4	#FFFFFF	#000000	##000000
##64B4E4	1.00	2.28	9.19	9.19
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB3E6

Deuteranopia (green-blind)

#8CA6E3

Tritanopia (blue-blind)

#00C0C4

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #64b4e4;
/* rgb */ color: rgb(100, 180, 228);
/* oklch */ color: oklch(73.8% 0.105 236.9);

Tailwind

colors: {
  custom: {
    50: '#99caec',
    500: '#64b4e4',
    950: '#000000',
  },
}

SCSS

$custom: #64b4e4;
$custom-light: #99caec;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4e4",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 228
  },
  "hsl": {
    "h": 202.5,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.7378,
    "c": 0.10509,
    "h": 236.9
  },
  "luminance": 0.40953
}

Semantic roles & 50–950 ramp

primary

#64B4E4

secondary

#E8CCBC

accent

#5B13D2

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B4E4

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

Preview Lab → · Contrast checker → · Palette generator →