#64B7F4#64B7F4

#64B7F4 is a light, moderate cyan. Relative luminance 0.431; OKLCH L 75.2% C 0.120 H 242.5°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#64B7F4
RGB	rgb(100, 183, 244)
HSL	hsl(205, 87%, 67%)
HSV	hsv(205, 59%, 96%)
CMYK	cmyk(59%, 25%, 0%, 4.3%)
CIE-LAB	lab(71.63, -7.71, -37.90)
CIE-LCH	lch(71.63, 38.68, 258.51°)
OKLab	oklab(75.17% -0.0554 -0.1064)
OKLCH	oklch(75.17% 0.12 242.5)
XYZ	xyz(38.5121, 43.1044, 91.8608)
Luminance	0.4311 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B7F4 #F4A164

analogous

#64F4E9 #64B7F4 #646FF4

triadic

#64B7F4 #F464B7 #B7F464

tetradic

#64B7F4 #E964F4 #F4A164 #6FF464

square

#64B7F4 #E964F4 #F4A164 #6FF464

split-complementary

#64B7F4 #F4646F #F4E964

monochromatic

#0F7DCF #2B9CF0 #64B7F4 #9DD2F8 #D6ECFC

Accessibility & contrast

On white

2.18

#64B7F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.62

#64B7F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B7F4

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B7F4	#FFFFFF	#000000	##000000
##64B7F4	1.00	2.18	9.62	9.62
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.62	21.00	1.00	1.00
##000000	9.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB8F7

Deuteranopia (green-blind)

#88A9F3

Tritanopia (blue-blind)

#00C6CC

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #64b7f4;
/* rgb */ color: rgb(100, 183, 244);
/* oklch */ color: oklch(75.2% 0.120 242.5);

Tailwind

colors: {
  custom: {
    50: '#9bccf8',
    500: '#64b7f4',
    950: '#000000',
  },
}

SCSS

$custom: #64b7f4;
$custom-light: #9bccf8;
$custom-dark: #000000;

JSON

{
  "hex": "#64b7f4",
  "rgb": {
    "r": 100,
    "g": 183,
    "b": 244
  },
  "hsl": {
    "h": 205.417,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.75168,
    "c": 0.11993,
    "h": 242.5
  },
  "luminance": 0.43108
}

Semantic roles & 50–950 ramp

primary

#64B7F4

secondary

#F0D6C3

accent

#6202E3

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B7F4

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

Preview Lab → · Contrast checker → · Palette generator →