#64A8EB#64A8EB

#64A8EB is a light, vivid cyan. Relative luminance 0.367; OKLCH L 71.4% C 0.121 H 249.5°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#64A8EB
RGB	rgb(100, 168, 235)
HSL	hsl(210, 77%, 66%)
HSV	hsv(210, 57%, 92%)
CMYK	cmyk(57.4%, 28.5%, 0%, 7.8%)
CIE-LAB	lab(67.06, -2.21, -40.12)
CIE-LCH	lch(67.06, 40.19, 266.84°)
OKLab	oklab(71.44% -0.0422 -0.1129)
OKLCH	oklch(71.44% 0.121 249.5)
XYZ	xyz(34.2481, 36.7097, 83.8620)
Luminance	0.3671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A8EB #EBA764

analogous

#64EBEB #64A8EB #6464EB

triadic

#64A8EB #EB64A8 #A8EB64

tetradic

#64A8EB #EB64EB #EBA764 #64EB64

square

#64A8EB #EB64EB #EBA764 #64EB64

split-complementary

#64A8EB #EB6464 #EBEB64

monochromatic

#186BBC #2E8AE4 #64A8EB #9AC6F2 #D0E5F9

Accessibility & contrast

On white

2.52

#64A8EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#64A8EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A8EB

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A8EB	#FFFFFF	#000000	##000000
##64A8EB	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CABEE

Deuteranopia (green-blind)

#7A9DEA

Tritanopia (blue-blind)

#00B8BF

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #64a8eb;
/* rgb */ color: rgb(100, 168, 235);
/* oklch */ color: oklch(71.4% 0.121 249.5);

Tailwind

colors: {
  custom: {
    50: '#9ac1f1',
    500: '#64a8eb',
    950: '#000000',
  },
}

SCSS

$custom: #64a8eb;
$custom-light: #9ac1f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64a8eb",
  "rgb": {
    "r": 100,
    "g": 168,
    "b": 235
  },
  "hsl": {
    "h": 209.778,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.71441,
    "c": 0.12051,
    "h": 249.5
  },
  "luminance": 0.36713
}

Semantic roles & 50–950 ramp

primary

#64A8EB

secondary

#ECD5BF

accent

#720CD9

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64A8EB

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

Preview Lab → · Contrast checker → · Palette generator →