#64B7F3#64B7F3

#64B7F3 is a light, moderate cyan. Relative luminance 0.430; OKLCH L 75.1% C 0.119 H 242.1°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).

Color values

HEX#64B7F3
RGBrgb(100, 183, 243)
HSLhsl(205, 86%, 67%)
HSVhsv(205, 59%, 95%)
CMYKcmyk(58.8%, 24.7%, 0%, 4.7%)
CIE-LABlab(71.58, -8.02, -37.43)
CIE-LCHlch(71.58, 38.27, 257.91°)
OKLaboklab(75.12% -0.0557 -0.105)
OKLCHoklch(75.12% 0.119 242.1)
XYZxyz(38.3607, 43.0438, 91.0633)
Luminance0.4305 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B7F3 #F3A064
analogous
#64F3E8 #64B7F3 #646FF3
triadic
#64B7F3 #F364B7 #B7F364
tetradic
#64B7F3 #E864F3 #F3A064 #6FF364
square
#64B7F3 #E864F3 #F3A064 #6FF364
split-complementary
#64B7F3 #F3646F #F3E864
monochromatic
#107DCD #2B9DEF #64B7F3 #9DD1F7 #D6ECFC

Accessibility & contrast

On white

2.19
#64B7F3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.61
#64B7F3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B7F3
9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B7F3#FFFFFF#000000##000000
##64B7F31.002.199.619.61
#FFFFFF2.191.0021.0021.00
#0000009.6121.001.001.00
##0000009.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CB7F6
Deuteranopia (green-blind)
#89A9F2
Tritanopia (blue-blind)
#00C6CB
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #64b7f3;
/* rgb */ color: rgb(100, 183, 243);
/* oklch */ color: oklch(75.1% 0.119 242.1);
Tailwind
colors: {
  custom: {
    50: '#9bccf7',
    500: '#64b7f3',
    950: '#000000',
  },
}
SCSS
$custom: #64b7f3;
$custom-light: #9bccf7;
$custom-dark: #000000;
JSON
{
  "hex": "#64b7f3",
  "rgb": {
    "r": 100,
    "g": 183,
    "b": 243
  },
  "hsl": {
    "h": 205.175,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.75122,
    "c": 0.11887,
    "h": 242.1
  },
  "luminance": 0.43047
}

Semantic roles & 50–950 ramp

primary
#64B7F3
secondary
#F0D6C3
accent
#6103E2
background
#FAFCFF
surface
#F4F8FE
border
#CED1D6
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #64B7F3

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

Preview Lab → · Contrast checker → · Palette generator →

#64B7F3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva