#64B2E4#64B2E4

#64B2E4 is a light, moderate cyan. Relative luminance 0.402; OKLCH L 73.3% C 0.106 H 238.6°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#64B2E4
RGB	rgb(100, 178, 228)
HSL	hsl(203, 70%, 64%)
HSV	hsv(203, 56%, 89%)
CMYK	cmyk(56.1%, 21.9%, 0%, 10.6%)
CIE-LAB	lab(69.58, -9.88, -32.38)
CIE-LCH	lch(69.58, 33.86, 253.03°)
OKLab	oklab(73.33% -0.0552 -0.0905)
OKLCH	oklch(73.33% 0.106 238.6)
XYZ	xyz(35.1743, 40.1484, 79.2795)
Luminance	0.4015 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B2E4 #E49664

analogous

#64E4D6 #64B2E4 #6472E4

triadic

#64B2E4 #E464B2 #B2E464

tetradic

#64B2E4 #D664E4 #E49664 #72E464

square

#64B2E4 #D664E4 #E49664 #72E464

split-complementary

#64B2E4 #E46472 #E4D664

monochromatic

#1F77AF #3098DB #64B2E4 #98CCED #CCE6F6

Accessibility & contrast

On white

2.33

#64B2E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.03

#64B2E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B2E4

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B2E4	#FFFFFF	#000000	##000000
##64B2E4	1.00	2.33	9.03	9.03
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.03	21.00	1.00	1.00
##000000	9.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB1E6

Deuteranopia (green-blind)

#8AA4E3

Tritanopia (blue-blind)

#00BFC3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #64b2e4;
/* rgb */ color: rgb(100, 178, 228);
/* oklch */ color: oklch(73.3% 0.106 238.6);

Tailwind

colors: {
  custom: {
    50: '#99c9ec',
    500: '#64b2e4',
    950: '#000000',
  },
}

SCSS

$custom: #64b2e4;
$custom-light: #99c9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#64b2e4",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 228
  },
  "hsl": {
    "h": 203.438,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.73332,
    "c": 0.10604,
    "h": 238.6
  },
  "luminance": 0.40152
}

Semantic roles & 50–950 ramp

primary

#64B2E4

secondary

#E8CDBC

accent

#5E13D2

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B2E4

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

Preview Lab → · Contrast checker → · Palette generator →