#64C1F9#64C1F9

#64C1F9 is a light, moderate cyan. Relative luminance 0.477; OKLCH L 77.6% C 0.119 H 237.5°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#64C1F9
RGB	rgb(100, 193, 249)
HSL	hsl(203, 93%, 68%)
HSV	hsv(203, 60%, 98%)
CMYK	cmyk(59.8%, 22.5%, 0%, 2.4%)
CIE-LAB	lab(74.63, -11.56, -35.94)
CIE-LCH	lch(74.63, 37.76, 252.17°)
OKLab	oklab(77.61% -0.0642 -0.1007)
OKLCH	oklch(77.61% 0.119 237.5)
XYZ	xyz(41.4179, 47.6848, 96.6255)
Luminance	0.4769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C1F9 #F99C64

analogous

#64F9E6 #64C1F9 #6476F9

triadic

#64C1F9 #F964C1 #C1F964

tetradic

#64C1F9 #E664F9 #F99C64 #76F964

square

#64C1F9 #E664F9 #F99C64 #76F964

split-complementary

#64C1F9 #F96476 #F9E664

monochromatic

#088BDA #29A9F7 #64C1F9 #9FD9FB #DAF0FE

Accessibility & contrast

On white

1.99

#64C1F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#64C1F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C1F9

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C1F9	#FFFFFF	#000000	##000000
##64C1F9	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7C0FC

Deuteranopia (green-blind)

#93B1F8

Tritanopia (blue-blind)

#00CFD4

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #64c1f9;
/* rgb */ color: rgb(100, 193, 249);
/* oklch */ color: oklch(77.6% 0.119 237.5);

Tailwind

colors: {
  custom: {
    50: '#9cd3fb',
    500: '#64c1f9',
    950: '#000000',
  },
}

SCSS

$custom: #64c1f9;
$custom-light: #9cd3fb;
$custom-dark: #000000;

JSON

{
  "hex": "#64c1f9",
  "rgb": {
    "r": 100,
    "g": 193,
    "b": 249
  },
  "hsl": {
    "h": 202.55,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.7761,
    "c": 0.11943,
    "h": 237.5
  },
  "luminance": 0.47689
}

Semantic roles & 50–950 ramp

primary

#64C1F9

secondary

#F3D7C6

accent

#5600E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #64C1F9

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

Preview Lab → · Contrast checker → · Palette generator →