#64B4F1#64B4F1

#64B4F1 is a light, moderate cyan. Relative luminance 0.417; OKLCH L 74.4% C 0.119 H 243.4°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX#64B4F1
RGBrgb(100, 180, 241)
HSLhsl(206, 83%, 67%)
HSVhsv(206, 59%, 95%)
CMYKcmyk(58.5%, 25.3%, 0%, 5.5%)
CIE-LABlab(70.66, -7.00, -37.77)
CIE-LCHlch(70.66, 38.42, 259.51°)
OKLaboklab(74.37% -0.0532 -0.106)
OKLCHoklch(74.37% 0.119 243.4)
XYZxyz(37.4481, 41.6993, 89.2773)
Luminance0.4170 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B4F1 #F1A164
analogous
#64F1E7 #64B4F1 #646EF1
triadic
#64B4F1 #F164B4 #B4F164
tetradic
#64B4F1 #E764F1 #F1A164 #6EF164
square
#64B4F1 #E764F1 #F1A164 #6EF164
split-complementary
#64B4F1 #F1646E #F1E764
monochromatic
#127AC8 #2C99EC #64B4F1 #9CCFF6 #D4EAFB

Accessibility & contrast

On white

2.25
#64B4F1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.34
#64B4F1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4F1
9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B4F1#FFFFFF#000000##000000
##64B4F11.002.259.349.34
#FFFFFF2.251.0021.0021.00
#0000009.3421.001.001.00
##0000009.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#99B5F4
Deuteranopia (green-blind)
#86A7F0
Tritanopia (blue-blind)
#00C3C9
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #64b4f1;
/* rgb */ color: rgb(100, 180, 241);
/* oklch */ color: oklch(74.4% 0.119 243.4);
Tailwind
colors: {
  custom: {
    50: '#9bcaf6',
    500: '#64b4f1',
    950: '#000000',
  },
}
SCSS
$custom: #64b4f1;
$custom-light: #9bcaf6;
$custom-dark: #000000;
JSON
{
  "hex": "#64b4f1",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 241
  },
  "hsl": {
    "h": 205.957,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.74366,
    "c": 0.11861,
    "h": 243.4
  },
  "luminance": 0.41703
}

Semantic roles & 50–950 ramp

primary
#64B4F1
secondary
#EFD5C2
accent
#6406E0
background
#FAFCFF
surface
#F4F8FE
border
#CED1D6
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #64B4F1

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

Preview Lab → · Contrast checker → · Palette generator →

#64B4F1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva