#64B5F6#64B5F6

#64B5F6 is a light, vivid cyan. Relative luminance 0.424; OKLCH L 74.8% C 0.123 H 244.8°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#64B5F6
RGB	rgb(100, 181, 246)
HSL	hsl(207, 89%, 68%)
HSV	hsv(207, 59%, 96%)
CMYK	cmyk(59.3%, 26.4%, 0%, 3.5%)
CIE-LAB	lab(71.15, -5.99, -39.73)
CIE-LCH	lch(71.15, 40.18, 261.42°)
OKLab	oklab(74.82% -0.0527 -0.1117)
OKLCH	oklch(74.82% 0.123 244.8)
XYZ	xyz(38.4078, 42.4073, 93.3323)
Luminance	0.4241 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B5F6 #F6A564

analogous

#64F6EE #64B5F6 #646CF6

triadic

#64B5F6 #F664B5 #B5F664

tetradic

#64B5F6 #EE64F6 #F6A564 #6CF664

square

#64B5F6 #EE64F6 #F6A564 #6CF664

split-complementary

#64B5F6 #F6646C #F6EE64

monochromatic

#0C7BD3 #2A99F3 #64B5F6 #9ED1F9 #D8ECFD

Accessibility & contrast

On white

2.21

#64B5F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#64B5F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B5F6

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B5F6	#FFFFFF	#000000	##000000
##64B5F6	1.00	2.21	9.48	9.48
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B6F9

Deuteranopia (green-blind)

#85A8F5

Tritanopia (blue-blind)

#00C5CB

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #64b5f6;
/* rgb */ color: rgb(100, 181, 246);
/* oklch */ color: oklch(74.8% 0.123 244.8);

Tailwind

colors: {
  custom: {
    50: '#9bcbf9',
    500: '#64b5f6',
    950: '#000000',
  },
}

SCSS

$custom: #64b5f6;
$custom-light: #9bcbf9;
$custom-dark: #000000;

JSON

{
  "hex": "#64b5f6",
  "rgb": {
    "r": 100,
    "g": 181,
    "b": 246
  },
  "hsl": {
    "h": 206.712,
    "s": 89.024,
    "l": 67.843
  },
  "oklch": {
    "l": 0.7482,
    "c": 0.12345,
    "h": 244.8
  },
  "luminance": 0.42411
}

Semantic roles & 50–950 ramp

primary

#64B5F6

secondary

#F1D8C4

accent

#6600E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B5F6

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

Preview Lab → · Contrast checker → · Palette generator →