#64A5EF#64A5EF

#64A5EF is a light, vivid cyan. Relative luminance 0.359; OKLCH L 71.0% C 0.128 H 252.8°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#64A5EF
RGB	rgb(100, 165, 239)
HSL	hsl(212, 81%, 66%)
HSV	hsv(212, 58%, 94%)
CMYK	cmyk(58.2%, 31%, 0%, 6.3%)
CIE-LAB	lab(66.40, 0.74, -43.34)
CIE-LCH	lch(66.40, 43.35, 270.97°)
OKLab	oklab(70.99% -0.0378 -0.1222)
OKLCH	oklch(70.99% 0.128 252.8)
XYZ	xyz(34.2851, 35.8486, 86.7573)
Luminance	0.3585 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A5EF #EFAE64

analogous

#64EBEF #64A5EF #6964EF

triadic

#64A5EF #EF64A5 #A5EF64

tetradic

#64A5EF #EF64EB #EFAE64 #64EF69

square

#64A5EF #EF64EB #EFAE64 #64EF69

split-complementary

#64A5EF #EF6964 #EBEF64

monochromatic

#1467C4 #2D85E9 #64A5EF #9BC5F5 #D3E5FA

Accessibility & contrast

On white

2.57

#64A5EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#64A5EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A5EF

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A5EF	#FFFFFF	#000000	##000000
##64A5EF	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A9F2

Deuteranopia (green-blind)

#749BEE

Tritanopia (blue-blind)

#00B6BF

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #64a5ef;
/* rgb */ color: rgb(100, 165, 239);
/* oklch */ color: oklch(71.0% 0.128 252.8);

Tailwind

colors: {
  custom: {
    50: '#9abff4',
    500: '#64a5ef',
    950: '#000000',
  },
}

SCSS

$custom: #64a5ef;
$custom-light: #9abff4;
$custom-dark: #000000;

JSON

{
  "hex": "#64a5ef",
  "rgb": {
    "r": 100,
    "g": 165,
    "b": 239
  },
  "hsl": {
    "h": 211.942,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.70986,
    "c": 0.12795,
    "h": 252.8
  },
  "luminance": 0.35852
}

Semantic roles & 50–950 ramp

primary

#64A5EF

secondary

#EED9C1

accent

#7A08DE

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64A5EF

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

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