#64B8F5#64B8F5

#64B8F5 is a light, vivid cyan. Relative luminance 0.436; OKLCH L 75.4% C 0.120 H 242.2°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#64B8F5
RGB	rgb(100, 184, 245)
HSL	hsl(205, 88%, 68%)
HSV	hsv(205, 59%, 96%)
CMYK	cmyk(59.2%, 24.9%, 0%, 3.9%)
CIE-LAB	lab(71.95, -7.94, -37.95)
CIE-LCH	lch(71.95, 38.77, 258.18°)
OKLab	oklab(75.44% -0.0561 -0.1065)
OKLCH	oklch(75.44% 0.12 242.2)
XYZ	xyz(38.8713, 43.5792, 92.7316)
Luminance	0.4358 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B8F5 #F5A164

analogous

#64F5E9 #64B8F5 #6470F5

triadic

#64B8F5 #F564B8 #B8F564

tetradic

#64B8F5 #E964F5 #F5A164 #70F564

square

#64B8F5 #E964F5 #F5A164 #70F564

split-complementary

#64B8F5 #F56470 #F5E964

monochromatic

#0D7FD1 #2B9EF1 #64B8F5 #9DD2F9 #D7EDFC

Accessibility & contrast

On white

2.16

#64B8F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#64B8F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B8F5

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B8F5	#FFFFFF	#000000	##000000
##64B8F5	1.00	2.16	9.72	9.72
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.72	21.00	1.00	1.00
##000000	9.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB8F8

Deuteranopia (green-blind)

#89AAF4

Tritanopia (blue-blind)

#00C7CD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #64b8f5;
/* rgb */ color: rgb(100, 184, 245);
/* oklch */ color: oklch(75.4% 0.120 242.2);

Tailwind

colors: {
  custom: {
    50: '#9bcdf8',
    500: '#64b8f5',
    950: '#000000',
  },
}

SCSS

$custom: #64b8f5;
$custom-light: #9bcdf8;
$custom-dark: #000000;

JSON

{
  "hex": "#64b8f5",
  "rgb": {
    "r": 100,
    "g": 184,
    "b": 245
  },
  "hsl": {
    "h": 205.241,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.75435,
    "c": 0.12038,
    "h": 242.2
  },
  "luminance": 0.43583
}

Semantic roles & 50–950 ramp

primary

#64B8F5

secondary

#F1D7C4

accent

#6101E4

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B8F5

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

Preview Lab → · Contrast checker → · Palette generator →