#64BCEF#64BCEF

#64BCEF is a light, moderate cyan. Relative luminance 0.449; OKLCH L 76.1% C 0.112 H 236.2°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#64BCEF
RGB	rgb(100, 188, 239)
HSL	hsl(202, 81%, 66%)
HSV	hsv(202, 58%, 94%)
CMYK	cmyk(58.2%, 21.3%, 0%, 6.3%)
CIE-LAB	lab(72.83, -11.93, -33.33)
CIE-LCH	lch(72.83, 35.40, 250.30°)
OKLab	oklab(76.05% -0.0623 -0.0932)
OKLCH	oklch(76.05% 0.112 236.2)
XYZ	xyz(38.8129, 44.9041, 88.2666)
Luminance	0.4491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BCEF #EF9764

analogous

#64EFDC #64BCEF #6477EF

triadic

#64BCEF #EF64BC #BCEF64

tetradic

#64BCEF #DC64EF #EF9764 #77EF64

square

#64BCEF #DC64EF #EF9764 #77EF64

split-complementary

#64BCEF #EF6477 #EFDC64

monochromatic

#1484C4 #2DA4E9 #64BCEF #9BD4F5 #D3ECFA

Accessibility & contrast

On white

2.10

#64BCEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#64BCEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BCEF

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BCEF	#FFFFFF	#000000	##000000
##64BCEF	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4BBF1

Deuteranopia (green-blind)

#91ACEE

Tritanopia (blue-blind)

#00C9CD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #64bcef;
/* rgb */ color: rgb(100, 188, 239);
/* oklch */ color: oklch(76.1% 0.112 236.2);

Tailwind

colors: {
  custom: {
    50: '#9bd0f4',
    500: '#64bcef',
    950: '#000000',
  },
}

SCSS

$custom: #64bcef;
$custom-light: #9bd0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#64bcef",
  "rgb": {
    "r": 100,
    "g": 188,
    "b": 239
  },
  "hsl": {
    "h": 202.014,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.76054,
    "c": 0.11212,
    "h": 236.2
  },
  "luminance": 0.44908
}

Semantic roles & 50–950 ramp

primary

#64BCEF

secondary

#EED1C1

accent

#5608DE

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #64BCEF

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

Preview Lab → · Contrast checker → · Palette generator →