#64B3F1#64B3F1

#64B3F1 is a light, moderate cyan. Relative luminance 0.413; OKLCH L 74.1% C 0.119 H 244.1°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX#64B3F1
RGBrgb(100, 179, 241)
HSLhsl(206, 83%, 67%)
HSVhsv(206, 59%, 95%)
CMYKcmyk(58.5%, 25.7%, 0%, 5.5%)
CIE-LABlab(70.38, -6.45, -38.21)
CIE-LCHlch(70.38, 38.75, 260.42°)
OKLaboklab(74.15% -0.0521 -0.1073)
OKLCHoklch(74.15% 0.119 244.1)
XYZxyz(37.2470, 41.2970, 89.2103)
Luminance0.4130 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B3F1 #F1A264
analogous
#64F1E9 #64B3F1 #646DF1
triadic
#64B3F1 #F164B3 #B3F164
tetradic
#64B3F1 #E964F1 #F1A264 #6DF164
square
#64B3F1 #E964F1 #F1A264 #6DF164
split-complementary
#64B3F1 #F1646D #F1E964
monochromatic
#1278C8 #2C97EC #64B3F1 #9CCFF6 #D4EAFB

Accessibility & contrast

On white

2.27
#64B3F1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.26
#64B3F1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B3F1
9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B3F1#FFFFFF#000000##000000
##64B3F11.002.279.269.26
#FFFFFF2.271.0021.0021.00
#0000009.2621.001.001.00
##0000009.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#98B4F4
Deuteranopia (green-blind)
#85A6F0
Tritanopia (blue-blind)
#00C2C8
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #64b3f1;
/* rgb */ color: rgb(100, 179, 241);
/* oklch */ color: oklch(74.1% 0.119 244.1);
Tailwind
colors: {
  custom: {
    50: '#9bc9f6',
    500: '#64b3f1',
    950: '#000000',
  },
}
SCSS
$custom: #64b3f1;
$custom-light: #9bc9f6;
$custom-dark: #000000;
JSON
{
  "hex": "#64b3f1",
  "rgb": {
    "r": 100,
    "g": 179,
    "b": 241
  },
  "hsl": {
    "h": 206.383,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.74145,
    "c": 0.11927,
    "h": 244.1
  },
  "luminance": 0.413
}

Semantic roles & 50–950 ramp

primary
#64B3F1
secondary
#EFD6C2
accent
#6606E0
background
#FAFCFF
surface
#F3F8FE
border
#CDD1D6
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #64B3F1

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

Preview Lab → · Contrast checker → · Palette generator →

#64B3F1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva