#64B5CC#64B5CC

#64B5CC is a light, moderate cyan. Relative luminance 0.401; OKLCH L 73.0% C 0.086 H 218.4°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#64B5CC
RGB	rgb(100, 181, 204)
HSL	hsl(193, 50%, 60%)
HSV	hsv(193, 51%, 80%)
CMYK	cmyk(51%, 11.3%, 0%, 20%)
CIE-LAB	lab(69.55, -18.49, -19.28)
CIE-LCH	lch(69.55, 26.71, 226.19°)
OKLab	oklab(73.02% -0.0673 -0.0533)
OKLCH	oklch(73.02% 0.086 218.4)
XYZ	xyz(32.6743, 40.1139, 63.1359)
Luminance	0.4012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B5CC #CC7B64

analogous

#64CCAF #64B5CC #6481CC

triadic

#64B5CC #CC64B5 #B5CC64

tetradic

#64B5CC #AF64CC #CC7B64 #81CC64

square

#64B5CC #AF64CC #CC7B64 #81CC64

split-complementary

#64B5CC #CC6481 #CCAF64

monochromatic

#2D7489 #3C9CB7 #64B5CC #92CBDB #C0E1EA

Accessibility & contrast

On white

2.33

#64B5CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#64B5CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B5CC

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B5CC	#FFFFFF	#000000	##000000
##64B5CC	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B1CD

Deuteranopia (green-blind)

#96A5CC

Tritanopia (blue-blind)

#23BDBC

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #64b5cc;
/* rgb */ color: rgb(100, 181, 204);
/* oklch */ color: oklch(73.0% 0.086 218.4);

Tailwind

colors: {
  custom: {
    50: '#97cbdb',
    500: '#64b5cc',
    950: '#000000',
  },
}

SCSS

$custom: #64b5cc;
$custom-light: #97cbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#64b5cc",
  "rgb": {
    "r": 100,
    "g": 181,
    "b": 204
  },
  "hsl": {
    "h": 193.269,
    "s": 50.485,
    "l": 59.608
  },
  "oklch": {
    "l": 0.7302,
    "c": 0.08584,
    "h": 218.4
  },
  "luminance": 0.40117
}

Semantic roles & 50–950 ramp

primary

#64B5CC

secondary

#DABBB2

accent

#6D4EDA

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #64B5CC

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

Preview Lab → · Contrast checker → · Palette generator →