#64B2E6#64B2E6

#64B2E6 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.4% C 0.108 H 239.7°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#64B2E6
RGB	rgb(100, 178, 230)
HSL	hsl(204, 72%, 65%)
HSV	hsv(204, 57%, 90%)
CMYK	cmyk(56.5%, 22.6%, 0%, 9.8%)
CIE-LAB	lab(69.65, -9.28, -33.35)
CIE-LCH	lch(69.65, 34.62, 254.46°)
OKLab	oklab(73.42% -0.0546 -0.0933)
OKLCH	oklch(73.42% 0.108 239.7)
XYZ	xyz(35.4536, 40.2601, 80.7502)
Luminance	0.4026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B2E6 #E69864

analogous

#64E6D9 #64B2E6 #6471E6

triadic

#64B2E6 #E664B2 #B2E664

tetradic

#64B2E6 #D964E6 #E69864 #71E664

square

#64B2E6 #D964E6 #E69864 #71E664

split-complementary

#64B2E6 #E66471 #E6D964

monochromatic

#1D77B3 #2F98DD #64B2E6 #99CCEE #CDE6F7

Accessibility & contrast

On white

2.32

#64B2E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#64B2E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B2E6

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B2E6	#FFFFFF	#000000	##000000
##64B2E6	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB2E8

Deuteranopia (green-blind)

#89A4E5

Tritanopia (blue-blind)

#00BFC4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #64b2e6;
/* rgb */ color: rgb(100, 178, 230);
/* oklch */ color: oklch(73.4% 0.108 239.7);

Tailwind

colors: {
  custom: {
    50: '#99c9ee',
    500: '#64b2e6',
    950: '#000000',
  },
}

SCSS

$custom: #64b2e6;
$custom-light: #99c9ee;
$custom-dark: #000000;

JSON

{
  "hex": "#64b2e6",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 230
  },
  "hsl": {
    "h": 204,
    "s": 72.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.73421,
    "c": 0.10809,
    "h": 239.7
  },
  "luminance": 0.40263
}

Semantic roles & 50–950 ramp

primary

#64B2E6

secondary

#E9CEBD

accent

#5F11D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B2E6

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

Preview Lab → · Contrast checker → · Palette generator →