#64B8EA#64B8EA

#64B8EA is a light, moderate cyan. Relative luminance 0.429; OKLCH L 74.9% C 0.109 H 236.8°. Best body text is #000000 at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#64B8EA
RGB	rgb(100, 184, 234)
HSL	hsl(202, 76%, 65%)
HSV	hsv(202, 57%, 92%)
CMYK	cmyk(57.3%, 21.4%, 0%, 8.2%)
CIE-LAB	lab(71.51, -11.30, -32.67)
CIE-LCH	lch(71.51, 34.57, 250.91°)
OKLab	oklab(74.94% -0.0597 -0.0913)
OKLCH	oklch(74.94% 0.109 236.8)
XYZ	xyz(37.2417, 42.9274, 84.1492)
Luminance	0.4293 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B8EA #EA9664

analogous

#64EAD9 #64B8EA #6475EA

triadic

#64B8EA #EA64B8 #B8EA64

tetradic

#64B8EA #D964EA #EA9664 #75EA64

square

#64B8EA #D964EA #EA9664 #75EA64

split-complementary

#64B8EA #EA6475 #EAD964

monochromatic

#197EBA #2E9FE3 #64B8EA #9AD1F1 #D0E9F9

Accessibility & contrast

On white

2.19

#64B8EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.59

#64B8EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B8EA

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B8EA	#FFFFFF	#000000	##000000
##64B8EA	1.00	2.19	9.59	9.59
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.59	21.00	1.00	1.00
##000000	9.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B7EC

Deuteranopia (green-blind)

#8EA9E9

Tritanopia (blue-blind)

#00C5C9

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #64b8ea;
/* rgb */ color: rgb(100, 184, 234);
/* oklch */ color: oklch(74.9% 0.109 236.8);

Tailwind

colors: {
  custom: {
    50: '#9acdf1',
    500: '#64b8ea',
    950: '#000000',
  },
}

SCSS

$custom: #64b8ea;
$custom-light: #9acdf1;
$custom-dark: #000000;

JSON

{
  "hex": "#64b8ea",
  "rgb": {
    "r": 100,
    "g": 184,
    "b": 234
  },
  "hsl": {
    "h": 202.388,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.7494,
    "c": 0.10911,
    "h": 236.8
  },
  "luminance": 0.42931
}

Semantic roles & 50–950 ramp

primary

#64B8EA

secondary

#EBCFBE

accent

#590DD8

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #64B8EA

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

Preview Lab → · Contrast checker → · Palette generator →