#64B2FF#64B2FF

#64B2FF is a light, vivid cyan. Relative luminance 0.418; OKLCH L 74.6% C 0.136 H 249.8°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX#64B2FF
RGBrgb(100, 178, 255)
HSLhsl(210, 100%, 70%)
HSVhsv(210, 61%, 100%)
CMYKcmyk(60.8%, 30.2%, 0%, 0%)
CIE-LABlab(70.71, -1.51, -45.28)
CIE-LCHlch(70.71, 45.31, 268.09°)
OKLaboklab(74.6% -0.0469 -0.1278)
OKLCHoklch(74.6% 0.136 249.8)
XYZxyz(39.2193, 41.7664, 100.5832)
Luminance0.4177 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B2FF #FFB164
analogous
#64FFFE #64B2FF #6465FF
triadic
#64B2FF #FF64B2 #B2FF64
tetradic
#64B2FF #FE64FF #FFB164 #65FF64
square
#64B2FF #FE64FF #FFB164 #65FF64
split-complementary
#64B2FF #FF6465 #FFFE64
monochromatic
#0075E9 #2794FF #64B2FF #A1D0FF #DEEFFF

Accessibility & contrast

On white

2.25
#64B2FF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.35
#64B2FF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B2FF
9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B2FF#FFFFFF#000000##000000
##64B2FF1.002.259.359.35
#FFFFFF2.251.0021.0021.00
#0000009.3521.001.001.00
##0000009.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#91B5FF
Deuteranopia (green-blind)
#7CA6FD
Tritanopia (blue-blind)
#00C4CD
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #64b2ff;
/* rgb */ color: rgb(100, 178, 255);
/* oklch */ color: oklch(74.6% 0.136 249.8);
Tailwind
colors: {
  custom: {
    50: '#9cc8ff',
    500: '#64b2ff',
    950: '#000000',
  },
}
SCSS
$custom: #64b2ff;
$custom-light: #9cc8ff;
$custom-dark: #000000;
JSON
{
  "hex": "#64b2ff",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 255
  },
  "hsl": {
    "h": 209.806,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.74601,
    "c": 0.13612,
    "h": 249.8
  },
  "luminance": 0.4177
}

Semantic roles & 50–950 ramp

primary
#64B2FF
secondary
#F6DFC9
accent
#7200E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1318
muted
#7F8286

Preview Lab

Preview with #64B2FF

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

Preview Lab → · Contrast checker → · Palette generator →

#64B2FF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva