#64B2E9#64B2E9

#64B2E9 is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.6% C 0.111 H 241.2°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#64B2E9
RGB	rgb(100, 178, 233)
HSL	hsl(205, 75%, 65%)
HSV	hsv(205, 57%, 91%)
CMYK	cmyk(57.1%, 23.6%, 0%, 8.6%)
CIE-LAB	lab(69.77, -8.36, -34.80)
CIE-LCH	lch(69.77, 35.79, 256.49°)
OKLab	oklab(73.56% -0.0536 -0.0975)
OKLCH	oklch(73.56% 0.111 241.2)
XYZ	xyz(35.8785, 40.4301, 82.9880)
Luminance	0.4043 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B2E9 #E99B64

analogous

#64E9DD #64B2E9 #646FE9

triadic

#64B2E9 #E964B2 #B2E964

tetradic

#64B2E9 #DD64E9 #E99B64 #6FE964

square

#64B2E9 #DD64E9 #E99B64 #6FE964

split-complementary

#64B2E9 #E9646F #E9DD64

monochromatic

#1A77B8 #2E97E1 #64B2E9 #9ACDF1 #CFE7F8

Accessibility & contrast

On white

2.31

#64B2E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#64B2E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B2E9

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B2E9	#FFFFFF	#000000	##000000
##64B2E9	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB2EC

Deuteranopia (green-blind)

#87A4E8

Tritanopia (blue-blind)

#00C0C5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #64b2e9;
/* rgb */ color: rgb(100, 178, 233);
/* oklch */ color: oklch(73.6% 0.111 241.2);

Tailwind

colors: {
  custom: {
    50: '#9ac8f0',
    500: '#64b2e9',
    950: '#000000',
  },
}

SCSS

$custom: #64b2e9;
$custom-light: #9ac8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#64b2e9",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 233
  },
  "hsl": {
    "h": 204.812,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.73556,
    "c": 0.11123,
    "h": 241.2
  },
  "luminance": 0.40433
}

Semantic roles & 50–950 ramp

primary

#64B2E9

secondary

#EBD1BE

accent

#610ED7

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #64B2E9

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

Preview Lab → · Contrast checker → · Palette generator →