#64B9D5#64B9D5

#64B9D5 is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.3% C 0.092 H 221.7°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX#64B9D5
RGBrgb(100, 185, 213)
HSLhsl(195, 57%, 61%)
HSVhsv(195, 53%, 84%)
CMYKcmyk(53.1%, 13.1%, 0%, 16.5%)
CIE-LABlab(71.01, -18.02, -21.98)
CIE-LCHlch(71.01, 28.42, 230.66°)
OKLaboklab(74.29% -0.0683 -0.0609)
OKLCHoklch(74.29% 0.092 221.7)
XYZxyz(34.6101, 42.2083, 69.2610)
Luminance0.4221 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B9D5 #D58064
analogous
#64D5B9 #64B9D5 #6481D5
triadic
#64B9D5 #D564B9 #B9D564
tetradic
#64B9D5 #B964D5 #D58064 #81D564
square
#64B9D5 #B964D5 #D58064 #81D564
split-complementary
#64B9D5 #D56481 #D5B964
monochromatic
#297B96 #36A2C6 #64B9D5 #94CFE2 #C4E4EF

Accessibility & contrast

On white

2.22
#64B9D5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.44
#64B9D5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B9D5
9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B9D5#FFFFFF#000000##000000
##64B9D51.002.229.449.44
#FFFFFF2.221.0021.0021.00
#0000009.4421.001.001.00
##0000009.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8B5D7
Deuteranopia (green-blind)
#98A8D5
Tritanopia (blue-blind)
#0CC2C2
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #64b9d5;
/* rgb */ color: rgb(100, 185, 213);
/* oklch */ color: oklch(74.3% 0.092 221.7);
Tailwind
colors: {
  custom: {
    50: '#98cee2',
    500: '#64b9d5',
    950: '#000000',
  },
}
SCSS
$custom: #64b9d5;
$custom-light: #98cee2;
$custom-dark: #000000;
JSON
{
  "hex": "#64b9d5",
  "rgb": {
    "r": 100,
    "g": 185,
    "b": 213
  },
  "hsl": {
    "h": 194.867,
    "s": 57.36,
    "l": 61.373
  },
  "oklch": {
    "l": 0.74292,
    "c": 0.09156,
    "h": 221.7
  },
  "luminance": 0.42211
}

Semantic roles & 50–950 ramp

primary
#64B9D5
secondary
#E0C0B5
accent
#4921C5
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #64B9D5

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

Preview Lab → · Contrast checker → · Palette generator →

#64B9D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva