#64A3EB#64A3EB

#64A3EB is a light, vivid cyan. Relative luminance 0.349; OKLCH L 70.4% C 0.125 H 252.9°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#64A3EB
RGB	rgb(100, 163, 235)
HSL	hsl(212, 77%, 66%)
HSV	hsv(212, 57%, 92%)
CMYK	cmyk(57.4%, 30.6%, 0%, 7.8%)
CIE-LAB	lab(65.67, 0.61, -42.30)
CIE-LCH	lch(65.67, 42.30, 270.82°)
OKLab	oklab(70.35% -0.0368 -0.1192)
OKLCH	oklch(70.35% 0.125 252.9)
XYZ	xyz(33.3428, 34.8990, 83.5602)
Luminance	0.3490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A3EB #EBAC64

analogous

#64E6EB #64A3EB #6864EB

triadic

#64A3EB #EB64A3 #A3EB64

tetradic

#64A3EB #EB64E6 #EBAC64 #64EB68

square

#64A3EB #EB64E6 #EBAC64 #64EB68

split-complementary

#64A3EB #EB6864 #E6EB64

monochromatic

#1865BC #2E83E4 #64A3EB #9AC3F2 #D0E3F9

Accessibility & contrast

On white

2.63

#64A3EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#64A3EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3EB

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A3EB	#FFFFFF	#000000	##000000
##64A3EB	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A7EE

Deuteranopia (green-blind)

#739AEA

Tritanopia (blue-blind)

#00B3BD

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #64a3eb;
/* rgb */ color: rgb(100, 163, 235);
/* oklch */ color: oklch(70.4% 0.125 252.9);

Tailwind

colors: {
  custom: {
    50: '#9abef1',
    500: '#64a3eb',
    950: '#000000',
  },
}

SCSS

$custom: #64a3eb;
$custom-light: #9abef1;
$custom-dark: #000000;

JSON

{
  "hex": "#64a3eb",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 235
  },
  "hsl": {
    "h": 212,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.70351,
    "c": 0.12477,
    "h": 252.9
  },
  "luminance": 0.34902
}

Semantic roles & 50–950 ramp

primary

#64A3EB

secondary

#ECD7BF

accent

#7A0CD9

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64A3EB

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

Preview Lab → · Contrast checker → · Palette generator →