#64B3F0#64B3F0

#64B3F0 is a light, moderate cyan. Relative luminance 0.412; OKLCH L 74.1% C 0.118 H 243.7°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#64B3F0
RGB	rgb(100, 179, 240)
HSL	hsl(206, 82%, 67%)
HSV	hsv(206, 58%, 94%)
CMYK	cmyk(58.3%, 25.4%, 0%, 5.9%)
CIE-LAB	lab(70.34, -6.76, -37.73)
CIE-LCH	lch(70.34, 38.33, 259.84°)
OKLab	oklab(74.1% -0.0524 -0.1059)
OKLCH	oklch(74.1% 0.118 243.7)
XYZ	xyz(37.0980, 41.2374, 88.4258)
Luminance	0.4124 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B3F0 #F0A164

analogous

#64F0E7 #64B3F0 #646DF0

triadic

#64B3F0 #F064B3 #B3F064

tetradic

#64B3F0 #E764F0 #F0A164 #6DF064

square

#64B3F0 #E764F0 #F0A164 #6DF064

split-complementary

#64B3F0 #F0646D #F0E764

monochromatic

#1378C6 #2C98EB #64B3F0 #9CCEF5 #D4EAFB

Accessibility & contrast

On white

2.27

#64B3F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.25

#64B3F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B3F0

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B3F0	#FFFFFF	#000000	##000000
##64B3F0	1.00	2.27	9.25	9.25
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.25	21.00	1.00	1.00
##000000	9.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B4F3

Deuteranopia (green-blind)

#85A6EF

Tritanopia (blue-blind)

#00C2C8

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b3f0;
/* rgb */ color: rgb(100, 179, 240);
/* oklch */ color: oklch(74.1% 0.118 243.7);

Tailwind

colors: {
  custom: {
    50: '#9bc9f5',
    500: '#64b3f0',
    950: '#000000',
  },
}

SCSS

$custom: #64b3f0;
$custom-light: #9bc9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#64b3f0",
  "rgb": {
    "r": 100,
    "g": 179,
    "b": 240
  },
  "hsl": {
    "h": 206.143,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.74099,
    "c": 0.11817,
    "h": 243.7
  },
  "luminance": 0.41241
}

Semantic roles & 50–950 ramp

primary

#64B3F0

secondary

#EED5C1

accent

#6507DF

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B3F0

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

Preview Lab → · Contrast checker → · Palette generator →