#64A5EB#64A5EB

#64A5EB is a light, vivid cyan. Relative luminance 0.356; OKLCH L 70.8% C 0.123 H 251.6°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#64A5EB
RGB	rgb(100, 165, 235)
HSL	hsl(211, 77%, 66%)
HSV	hsv(211, 57%, 92%)
CMYK	cmyk(57.4%, 29.8%, 0%, 7.8%)
CIE-LAB	lab(66.22, -0.52, -41.43)
CIE-LCH	lch(66.22, 41.43, 269.27°)
OKLab	oklab(70.79% -0.0389 -0.1167)
OKLCH	oklch(70.79% 0.123 251.6)
XYZ	xyz(33.7007, 35.6148, 83.6795)
Luminance	0.3562 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A5EB #EBAA64

analogous

#64E9EB #64A5EB #6664EB

triadic

#64A5EB #EB64A5 #A5EB64

tetradic

#64A5EB #EB64E9 #EBAA64 #64EB66

square

#64A5EB #EB64E9 #EBAA64 #64EB66

split-complementary

#64A5EB #EB6664 #E9EB64

monochromatic

#1867BC #2E86E4 #64A5EB #9AC4F2 #D0E4F9

Accessibility & contrast

On white

2.59

#64A5EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#64A5EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A5EB

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A5EB	#FFFFFF	#000000	##000000
##64A5EB	1.00	2.59	8.12	8.12
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A8EE

Deuteranopia (green-blind)

#769BEA

Tritanopia (blue-blind)

#00B5BE

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #64a5eb;
/* rgb */ color: rgb(100, 165, 235);
/* oklch */ color: oklch(70.8% 0.123 251.6);

Tailwind

colors: {
  custom: {
    50: '#9abff1',
    500: '#64a5eb',
    950: '#000000',
  },
}

SCSS

$custom: #64a5eb;
$custom-light: #9abff1;
$custom-dark: #000000;

JSON

{
  "hex": "#64a5eb",
  "rgb": {
    "r": 100,
    "g": 165,
    "b": 235
  },
  "hsl": {
    "h": 211.111,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.70786,
    "c": 0.12301,
    "h": 251.6
  },
  "luminance": 0.35618
}

Semantic roles & 50–950 ramp

primary

#64A5EB

secondary

#ECD6BF

accent

#770CD9

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64A5EB

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

Preview Lab → · Contrast checker → · Palette generator →