#64A3E4#64A3E4

#64A3E4 is a light, moderate cyan. Relative luminance 0.345; OKLCH L 70.0% C 0.116 H 250.5°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#64A3E4
RGB	rgb(100, 163, 228)
HSL	hsl(210, 70%, 64%)
HSV	hsv(210, 56%, 89%)
CMYK	cmyk(56.1%, 28.5%, 0%, 10.6%)
CIE-LAB	lab(65.36, -1.58, -38.94)
CIE-LCH	lch(65.36, 38.97, 267.67°)
OKLab	oklab(70.01% -0.0388 -0.1095)
OKLCH	oklch(70.01% 0.116 250.5)
XYZ	xyz(32.3513, 34.5024, 78.3385)
Luminance	0.3451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64A3E4 #E4A564

analogous

#64E3E4 #64A3E4 #6564E4

triadic

#64A3E4 #E464A3 #A3E464

tetradic

#64A3E4 #E464E3 #E4A564 #64E465

square

#64A3E4 #E464E3 #E4A564 #64E465

split-complementary

#64A3E4 #E46564 #E3E464

monochromatic

#1F66AF #3084DB #64A3E4 #98C2ED #CCE1F6

Accessibility & contrast

On white

2.66

#64A3E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#64A3E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3E4

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64A3E4	#FFFFFF	#000000	##000000
##64A3E4	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A6E7

Deuteranopia (green-blind)

#7799E3

Tritanopia (blue-blind)

#00B2BA

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #64a3e4;
/* rgb */ color: rgb(100, 163, 228);
/* oklch */ color: oklch(70.0% 0.116 250.5);

Tailwind

colors: {
  custom: {
    50: '#99beec',
    500: '#64a3e4',
    950: '#000000',
  },
}

SCSS

$custom: #64a3e4;
$custom-light: #99beec;
$custom-dark: #000000;

JSON

{
  "hex": "#64a3e4",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 228
  },
  "hsl": {
    "h": 210.469,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.70005,
    "c": 0.11615,
    "h": 250.5
  },
  "luminance": 0.34505
}

Semantic roles & 50–950 ramp

primary

#64A3E4

secondary

#E8D2BC

accent

#7413D2

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #64A3E4

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

Preview Lab → · Contrast checker → · Palette generator →