#64B9EA#64B9EA

#64B9EA is a light, moderate cyan. Relative luminance 0.433; OKLCH L 75.2% C 0.109 H 236.0°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#64B9EA
RGB	rgb(100, 185, 234)
HSL	hsl(202, 76%, 65%)
HSV	hsv(202, 57%, 92%)
CMYK	cmyk(57.3%, 20.9%, 0%, 8.2%)
CIE-LAB	lab(71.79, -11.84, -32.23)
CIE-LCH	lch(71.79, 34.34, 249.83°)
OKLab	oklab(75.16% -0.0608 -0.0901)
OKLCH	oklch(75.16% 0.109 236)
XYZ	xyz(37.4502, 43.3443, 84.2187)
Luminance	0.4335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B9EA #EA9564

analogous

#64EAD8 #64B9EA #6476EA

triadic

#64B9EA #EA64B9 #B9EA64

tetradic

#64B9EA #D864EA #EA9564 #76EA64

square

#64B9EA #D864EA #EA9564 #76EA64

split-complementary

#64B9EA #EA6476 #EAD864

monochromatic

#197FBA #2EA1E3 #64B9EA #9AD1F1 #D0EAF9

Accessibility & contrast

On white

2.17

#64B9EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#64B9EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B9EA

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B9EA	#FFFFFF	#000000	##000000
##64B9EA	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B8EC

Deuteranopia (green-blind)

#90AAE9

Tritanopia (blue-blind)

#00C6C9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #64b9ea;
/* rgb */ color: rgb(100, 185, 234);
/* oklch */ color: oklch(75.2% 0.109 236.0);

Tailwind

colors: {
  custom: {
    50: '#9acef1',
    500: '#64b9ea',
    950: '#000000',
  },
}

SCSS

$custom: #64b9ea;
$custom-light: #9acef1;
$custom-dark: #000000;

JSON

{
  "hex": "#64b9ea",
  "rgb": {
    "r": 100,
    "g": 185,
    "b": 234
  },
  "hsl": {
    "h": 201.94,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.75164,
    "c": 0.10866,
    "h": 236
  },
  "luminance": 0.43348
}

Semantic roles & 50–950 ramp

primary

#64B9EA

secondary

#EBCFBE

accent

#570DD8

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #64B9EA

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

Preview Lab → · Contrast checker → · Palette generator →