#64BCF7#64BCF7

#64BCF7 is a light, vivid cyan. Relative luminance 0.454; OKLCH L 76.4% C 0.120 H 240.2°. Best body text is #000000 at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#64BCF7
RGB	rgb(100, 188, 247)
HSL	hsl(204, 90%, 68%)
HSV	hsv(204, 60%, 97%)
CMYK	cmyk(59.5%, 23.9%, 0%, 3.1%)
CIE-LAB	lab(73.15, -9.49, -37.16)
CIE-LCH	lch(73.15, 38.35, 255.67°)
OKLab	oklab(76.41% -0.0597 -0.1042)
OKLCH	oklch(76.41% 0.12 240.2)
XYZ	xyz(40.0210, 45.3874, 94.6292)
Luminance	0.4539 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BCF7 #F79F64

analogous

#64F7E9 #64BCF7 #6472F7

triadic

#64BCF7 #F764BC #BCF764

tetradic

#64BCF7 #E964F7 #F79F64 #72F764

square

#64BCF7 #E964F7 #F79F64 #72F764

split-complementary

#64BCF7 #F76472 #F7E964

monochromatic

#0B84D6 #2AA3F4 #64BCF7 #9ED5FA #D8EEFD

Accessibility & contrast

On white

2.08

#64BCF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.08

#64BCF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BCF7

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BCF7	#FFFFFF	#000000	##000000
##64BCF7	1.00	2.08	10.08	10.08
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.08	21.00	1.00	1.00
##000000	10.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1BCFA

Deuteranopia (green-blind)

#8DADF6

Tritanopia (blue-blind)

#00CBD0

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #64bcf7;
/* rgb */ color: rgb(100, 188, 247);
/* oklch */ color: oklch(76.4% 0.120 240.2);

Tailwind

colors: {
  custom: {
    50: '#9cd0fa',
    500: '#64bcf7',
    950: '#000000',
  },
}

SCSS

$custom: #64bcf7;
$custom-light: #9cd0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#64bcf7",
  "rgb": {
    "r": 100,
    "g": 188,
    "b": 247
  },
  "hsl": {
    "h": 204.082,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.76411,
    "c": 0.12009,
    "h": 240.2
  },
  "luminance": 0.45391
}

Semantic roles & 50–950 ramp

primary

#64BCF7

secondary

#F2D7C5

accent

#5C00E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64BCF7

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

Preview Lab → · Contrast checker → · Palette generator →