#64B5E4#64B5E4

#64B5E4 is a light, moderate cyan. Relative luminance 0.414; OKLCH L 74.0% C 0.105 H 236.0°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#64B5E4
RGB	rgb(100, 181, 228)
HSL	hsl(202, 70%, 64%)
HSV	hsv(202, 56%, 89%)
CMYK	cmyk(56.1%, 20.6%, 0%, 10.6%)
CIE-LAB	lab(70.42, -11.50, -31.07)
CIE-LCH	lch(70.42, 33.13, 249.69°)
OKLab	oklab(74.01% -0.0585 -0.0868)
OKLCH	oklch(74.01% 0.105 236)
XYZ	xyz(35.7778, 41.3553, 79.4807)
Luminance	0.4136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B5E4 #E49364

analogous

#64E4D3 #64B5E4 #6475E4

triadic

#64B5E4 #E464B5 #B5E464

tetradic

#64B5E4 #D364E4 #E49364 #75E464

square

#64B5E4 #D364E4 #E49364 #75E464

split-complementary

#64B5E4 #E46475 #E4D364

monochromatic

#1F7AAF #309CDB #64B5E4 #98CEED #CCE7F6

Accessibility & contrast

On white

2.26

#64B5E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.27

#64B5E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B5E4

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B5E4	#FFFFFF	#000000	##000000
##64B5E4	1.00	2.26	9.27	9.27
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.27	21.00	1.00	1.00
##000000	9.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB4E6

Deuteranopia (green-blind)

#8DA6E3

Tritanopia (blue-blind)

#00C1C5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b5e4;
/* rgb */ color: rgb(100, 181, 228);
/* oklch */ color: oklch(74.0% 0.105 236.0);

Tailwind

colors: {
  custom: {
    50: '#99cbec',
    500: '#64b5e4',
    950: '#000000',
  },
}

SCSS

$custom: #64b5e4;
$custom-light: #99cbec;
$custom-dark: #000000;

JSON

{
  "hex": "#64b5e4",
  "rgb": {
    "r": 100,
    "g": 181,
    "b": 228
  },
  "hsl": {
    "h": 202.031,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.74005,
    "c": 0.10465,
    "h": 236
  },
  "luminance": 0.41359
}

Semantic roles & 50–950 ramp

primary

#64B5E4

secondary

#E8CCBC

accent

#5913D2

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B5E4

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

Preview Lab → · Contrast checker → · Palette generator →