#64A6EB#64A6EB

#64A6EB is a light, vivid cyan. Relative luminance 0.360; OKLCH L 71.0% C 0.122 H 250.9°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#64A6EB
RGB	rgb(100, 166, 235)
HSL	hsl(211, 77%, 66%)
HSV	hsv(211, 57%, 92%)
CMYK	cmyk(57.4%, 29.4%, 0%, 7.8%)
CIE-LAB	lab(66.50, -1.09, -40.99)
CIE-LCH	lch(66.50, 41.01, 268.48°)
OKLab	oklab(71% -0.04 -0.1154)
OKLCH	oklch(71% 0.122 250.9)
XYZ	xyz(33.8818, 35.9769, 83.7399)
Luminance	0.3598 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A6EB #EBA964

analogous

#64E9EB #64A6EB #6564EB

triadic

#64A6EB #EB64A6 #A6EB64

tetradic

#64A6EB #EB64E9 #EBA964 #64EB65

square

#64A6EB #EB64E9 #EBA964 #64EB65

split-complementary

#64A6EB #EB6564 #E9EB64

monochromatic

#1868BC #2E87E4 #64A6EB #9AC5F2 #D0E4F9

Accessibility & contrast

On white

2.56

#64A6EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.20

#64A6EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A6EB

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A6EB	#FFFFFF	#000000	##000000
##64A6EB	1.00	2.56	8.20	8.20
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.20	21.00	1.00	1.00
##000000	8.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89A9EE

Deuteranopia (green-blind)

#779CEA

Tritanopia (blue-blind)

#00B6BE

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #64a6eb;
/* rgb */ color: rgb(100, 166, 235);
/* oklch */ color: oklch(71.0% 0.122 250.9);

Tailwind

colors: {
  custom: {
    50: '#9ac0f1',
    500: '#64a6eb',
    950: '#000000',
  },
}

SCSS

$custom: #64a6eb;
$custom-light: #9ac0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64a6eb",
  "rgb": {
    "r": 100,
    "g": 166,
    "b": 235
  },
  "hsl": {
    "h": 210.667,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.71004,
    "c": 0.12216,
    "h": 250.9
  },
  "luminance": 0.3598
}

Semantic roles & 50–950 ramp

primary

#64A6EB

secondary

#ECD6BF

accent

#750CD9

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64A6EB

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

Preview Lab → · Contrast checker → · Palette generator →