#64B4EC#64B4EC

#64B4EC is a light, moderate cyan. Relative luminance 0.414; OKLCH L 74.1% C 0.113 H 241.1°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#64B4EC
RGB	rgb(100, 180, 236)
HSL	hsl(205, 78%, 66%)
HSV	hsv(205, 58%, 93%)
CMYK	cmyk(57.6%, 23.7%, 0%, 7.5%)
CIE-LAB	lab(70.46, -8.53, -35.38)
CIE-LCH	lch(70.46, 36.39, 256.44°)
OKLab	oklab(74.14% -0.0547 -0.0991)
OKLCH	oklch(74.14% 0.113 241.1)
XYZ	xyz(36.7115, 41.4046, 85.3979)
Luminance	0.4141 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4EC #EC9C64

analogous

#64ECE0 #64B4EC #6470EC

triadic

#64B4EC #EC64B4 #B4EC64

tetradic

#64B4EC #E064EC #EC9C64 #70EC64

square

#64B4EC #E064EC #EC9C64 #70EC64

split-complementary

#64B4EC #EC6470 #ECE064

monochromatic

#177ABE #2D9AE5 #64B4EC #9BCEF3 #D1E9F9

Accessibility & contrast

On white

2.26

#64B4EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#64B4EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4EC

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4EC	#FFFFFF	#000000	##000000
##64B4EC	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB4EF

Deuteranopia (green-blind)

#89A6EB

Tritanopia (blue-blind)

#00C2C7

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b4ec;
/* rgb */ color: rgb(100, 180, 236);
/* oklch */ color: oklch(74.1% 0.113 241.1);

Tailwind

colors: {
  custom: {
    50: '#9acaf2',
    500: '#64b4ec',
    950: '#000000',
  },
}

SCSS

$custom: #64b4ec;
$custom-light: #9acaf2;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4ec",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 236
  },
  "hsl": {
    "h": 204.706,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.74137,
    "c": 0.11324,
    "h": 241.1
  },
  "luminance": 0.41408
}

Semantic roles & 50–950 ramp

primary

#64B4EC

secondary

#ECD2BF

accent

#600BDA

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B4EC

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

Preview Lab → · Contrast checker → · Palette generator →