#64B3EC#64B3EC

#64B3EC is a light, moderate cyan. Relative luminance 0.410; OKLCH L 73.9% C 0.114 H 241.9°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#64B3EC
RGB	rgb(100, 179, 236)
HSL	hsl(205, 78%, 66%)
HSV	hsv(205, 58%, 93%)
CMYK	cmyk(57.6%, 24.2%, 0%, 7.5%)
CIE-LAB	lab(70.18, -7.99, -35.81)
CIE-LCH	lch(70.18, 36.69, 257.42°)
OKLab	oklab(73.91% -0.0537 -0.1004)
OKLCH	oklch(73.91% 0.114 241.9)
XYZ	xyz(36.5104, 41.0023, 85.3308)
Luminance	0.4101 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B3EC #EC9D64

analogous

#64ECE1 #64B3EC #646FEC

triadic

#64B3EC #EC64B3 #B3EC64

tetradic

#64B3EC #E164EC #EC9D64 #6FEC64

square

#64B3EC #E164EC #EC9D64 #6FEC64

split-complementary

#64B3EC #EC646F #ECE164

monochromatic

#1778BE #2D98E5 #64B3EC #9BCEF3 #D1E8F9

Accessibility & contrast

On white

2.28

#64B3EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#64B3EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B3EC

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B3EC	#FFFFFF	#000000	##000000
##64B3EC	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB3EF

Deuteranopia (green-blind)

#87A5EB

Tritanopia (blue-blind)

#00C1C6

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b3ec;
/* rgb */ color: rgb(100, 179, 236);
/* oklch */ color: oklch(73.9% 0.114 241.9);

Tailwind

colors: {
  custom: {
    50: '#9ac9f2',
    500: '#64b3ec',
    950: '#000000',
  },
}

SCSS

$custom: #64b3ec;
$custom-light: #9ac9f2;
$custom-dark: #000000;

JSON

{
  "hex": "#64b3ec",
  "rgb": {
    "r": 100,
    "g": 179,
    "b": 236
  },
  "hsl": {
    "h": 205.147,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.73915,
    "c": 0.11383,
    "h": 241.9
  },
  "luminance": 0.41006
}

Semantic roles & 50–950 ramp

primary

#64B3EC

secondary

#ECD2BF

accent

#620BDA

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B3EC

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

Preview Lab → · Contrast checker → · Palette generator →