#64BCF4#64BCF4

#64BCF4 is a light, moderate cyan. Relative luminance 0.452; OKLCH L 76.3% C 0.117 H 238.8°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#64BCF4
RGB	rgb(100, 188, 244)
HSL	hsl(203, 87%, 67%)
HSV	hsv(203, 59%, 96%)
CMYK	cmyk(59%, 23%, 0%, 4.3%)
CIE-LAB	lab(73.03, -10.41, -35.73)
CIE-LCH	lch(73.03, 37.21, 253.75°)
OKLab	oklab(76.28% -0.0606 -0.1001)
OKLCH	oklch(76.28% 0.117 238.8)
XYZ	xyz(39.5617, 45.2037, 92.2107)
Luminance	0.4521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BCF4 #F49C64

analogous

#64F4E4 #64BCF4 #6474F4

triadic

#64BCF4 #F464BC #BCF464

tetradic

#64BCF4 #E464F4 #F49C64 #74F464

square

#64BCF4 #E464F4 #F49C64 #74F464

split-complementary

#64BCF4 #F46474 #F4E464

monochromatic

#0F84CF #2BA3F0 #64BCF4 #9DD5F8 #D6EDFC

Accessibility & contrast

On white

2.09

#64BCF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#64BCF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BCF4

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BCF4	#FFFFFF	#000000	##000000
##64BCF4	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2BBF7

Deuteranopia (green-blind)

#8FADF3

Tritanopia (blue-blind)

#00CACF

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #64bcf4;
/* rgb */ color: rgb(100, 188, 244);
/* oklch */ color: oklch(76.3% 0.117 238.8);

Tailwind

colors: {
  custom: {
    50: '#9bd0f8',
    500: '#64bcf4',
    950: '#000000',
  },
}

SCSS

$custom: #64bcf4;
$custom-light: #9bd0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#64bcf4",
  "rgb": {
    "r": 100,
    "g": 188,
    "b": 244
  },
  "hsl": {
    "h": 203.333,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.76276,
    "c": 0.11704,
    "h": 238.8
  },
  "luminance": 0.45207
}

Semantic roles & 50–950 ramp

primary

#64BCF4

secondary

#F0D5C3

accent

#5A02E3

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64BCF4

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

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