#64A3E9#64A3E9

#64A3E9 is a light, vivid cyan. Relative luminance 0.348; OKLCH L 70.3% C 0.122 H 252.2°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#64A3E9
RGB	rgb(100, 163, 233)
HSL	hsl(212, 75%, 65%)
HSV	hsv(212, 57%, 91%)
CMYK	cmyk(57.1%, 30%, 0%, 8.6%)
CIE-LAB	lab(65.58, -0.02, -41.34)
CIE-LCH	lch(65.58, 41.34, 269.97°)
OKLab	oklab(70.25% -0.0373 -0.1164)
OKLCH	oklch(70.25% 0.122 252.2)
XYZ	xyz(33.0555, 34.7840, 82.0470)
Luminance	0.3479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A3E9 #E9AA64

analogous

#64E5E9 #64A3E9 #6764E9

triadic

#64A3E9 #E964A3 #A3E964

tetradic

#64A3E9 #E964E5 #E9AA64 #64E967

square

#64A3E9 #E964E5 #E9AA64 #64E967

split-complementary

#64A3E9 #E96764 #E5E964

monochromatic

#1A65B8 #2E83E1 #64A3E9 #9AC3F1 #CFE3F8

Accessibility & contrast

On white

2.64

#64A3E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#64A3E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3E9

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A3E9	#FFFFFF	#000000	##000000
##64A3E9	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A6EC

Deuteranopia (green-blind)

#7599E8

Tritanopia (blue-blind)

#00B3BC

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #64a3e9;
/* rgb */ color: rgb(100, 163, 233);
/* oklch */ color: oklch(70.3% 0.122 252.2);

Tailwind

colors: {
  custom: {
    50: '#99bef0',
    500: '#64a3e9',
    950: '#000000',
  },
}

SCSS

$custom: #64a3e9;
$custom-light: #99bef0;
$custom-dark: #000000;

JSON

{
  "hex": "#64a3e9",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 233
  },
  "hsl": {
    "h": 211.579,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.70251,
    "c": 0.12229,
    "h": 252.2
  },
  "luminance": 0.34787
}

Semantic roles & 50–950 ramp

primary

#64A3E9

secondary

#EBD6BE

accent

#780ED7

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #64A3E9

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

Preview Lab → · Contrast checker → · Palette generator →