#64BBD3#64BBD3

#64BBD3 is a light, moderate cyan. Relative luminance 0.430; OKLCH L 74.7% C 0.090 H 218.0°. Best body text is #000000 at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#64BBD3
RGB	rgb(100, 187, 211)
HSL	hsl(193, 56%, 61%)
HSV	hsv(193, 53%, 83%)
CMYK	cmyk(52.6%, 11.4%, 0%, 17.3%)
CIE-LAB	lab(71.52, -19.62, -20.12)
CIE-LCH	lch(71.52, 28.10, 225.72°)
OKLab	oklab(74.67% -0.0713 -0.0557)
OKLCH	oklch(74.67% 0.091 218)
XYZ	xyz(34.7792, 42.9500, 68.0728)
Luminance	0.4295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BBD3 #D37C64

analogous

#64D3B3 #64BBD3 #6483D3

triadic

#64BBD3 #D364BB #BBD364

tetradic

#64BBD3 #B364D3 #D37C64 #83D364

square

#64BBD3 #B364D3 #D37C64 #83D364

split-complementary

#64BBD3 #D36483 #D3B364

monochromatic

#2A7C93 #37A4C3 #64BBD3 #94D0E1 #C3E5EE

Accessibility & contrast

On white

2.19

#64BBD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.59

#64BBD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BBD3

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BBD3	#FFFFFF	#000000	##000000
##64BBD3	1.00	2.19	9.59	9.59
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.59	21.00	1.00	1.00
##000000	9.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB6D4

Deuteranopia (green-blind)

#9BAAD3

Tritanopia (blue-blind)

#11C3C2

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #64bbd3;
/* rgb */ color: rgb(100, 187, 211);
/* oklch */ color: oklch(74.7% 0.090 218.0);

Tailwind

colors: {
  custom: {
    50: '#98cfe0',
    500: '#64bbd3',
    950: '#000000',
  },
}

SCSS

$custom: #64bbd3;
$custom-light: #98cfe0;
$custom-dark: #000000;

JSON

{
  "hex": "#64bbd3",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 211
  },
  "hsl": {
    "h": 192.973,
    "s": 55.779,
    "l": 60.98
  },
  "oklch": {
    "l": 0.74674,
    "c": 0.0905,
    "h": 218
  },
  "luminance": 0.42953
}

Semantic roles & 50–950 ramp

primary

#64BBD3

secondary

#DEBEB4

accent

#4522C3

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #64BBD3

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

Preview Lab → · Contrast checker → · Palette generator →