#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
RGB	rgb(100, 185, 213)
HSL	hsl(195, 57%, 61%)
HSV	hsv(195, 53%, 84%)
CMYK	cmyk(53.1%, 13.1%, 0%, 16.5%)
CIE-LAB	lab(71.01, -18.02, -21.98)
CIE-LCH	lch(71.01, 28.42, 230.66°)
OKLab	oklab(74.29% -0.0683 -0.0609)
OKLCH	oklch(74.29% 0.092 221.7)
XYZ	xyz(34.6101, 42.2083, 69.2610)
Luminance	0.4221 (WCAG relative)
Temperature	cool
Family	cyan

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
##64B9D5	1.00	2.22	9.44	9.44
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.44	21.00	1.00	1.00
##000000	9.44	21.00	1.00	1.00

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 →