#64A3E8#64A3E8

#64A3E8 is a light, vivid cyan. Relative luminance 0.347; OKLCH L 70.2% C 0.121 H 251.9°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#64A3E8
RGB	rgb(100, 163, 232)
HSL	hsl(211, 74%, 65%)
HSV	hsv(211, 57%, 91%)
CMYK	cmyk(56.9%, 29.7%, 0%, 9%)
CIE-LAB	lab(65.54, -0.33, -40.86)
CIE-LCH	lch(65.54, 40.86, 269.53°)
OKLab	oklab(70.2% -0.0376 -0.1151)
OKLCH	oklch(70.2% 0.121 251.9)
XYZ	xyz(32.9130, 34.7271, 81.2968)
Luminance	0.3473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A3E8 #E8A964

analogous

#64E5E8 #64A3E8 #6764E8

triadic

#64A3E8 #E864A3 #A3E864

tetradic

#64A3E8 #E864E5 #E8A964 #64E867

square

#64A3E8 #E864E5 #E8A964 #64E867

split-complementary

#64A3E8 #E86764 #E5E864

monochromatic

#1B65B7 #2F83E0 #64A3E8 #99C3F0 #CFE2F8

Accessibility & contrast

On white

2.64

#64A3E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#64A3E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3E8

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A3E8	#FFFFFF	#000000	##000000
##64A3E8	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A6EB

Deuteranopia (green-blind)

#7599E7

Tritanopia (blue-blind)

#00B3BB

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #64a3e8;
/* rgb */ color: rgb(100, 163, 232);
/* oklch */ color: oklch(70.2% 0.121 251.9);

Tailwind

colors: {
  custom: {
    50: '#99beef',
    500: '#64a3e8',
    950: '#000000',
  },
}

SCSS

$custom: #64a3e8;
$custom-light: #99beef;
$custom-dark: #000000;

JSON

{
  "hex": "#64a3e8",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 232
  },
  "hsl": {
    "h": 211.364,
    "s": 74.157,
    "l": 65.098
  },
  "oklch": {
    "l": 0.70202,
    "c": 0.12105,
    "h": 251.9
  },
  "luminance": 0.3473
}

Semantic roles & 50–950 ramp

primary

#64A3E8

secondary

#EAD5BE

accent

#770FD6

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #64A3E8

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

Preview Lab → · Contrast checker → · Palette generator →