#64B5F1#64B5F1

#64B5F1 is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.6% C 0.118 H 242.6°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#64B5F1
RGB	rgb(100, 181, 241)
HSL	hsl(206, 83%, 67%)
HSV	hsv(206, 59%, 95%)
CMYK	cmyk(58.5%, 24.9%, 0%, 5.5%)
CIE-LAB	lab(70.94, -7.54, -37.34)
CIE-LCH	lch(70.94, 38.09, 258.58°)
OKLab	oklab(74.59% -0.0542 -0.1048)
OKLCH	oklch(74.59% 0.118 242.6)
XYZ	xyz(37.6507, 42.1045, 89.3449)
Luminance	0.4211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B5F1 #F1A064

analogous

#64F1E7 #64B5F1 #646FF1

triadic

#64B5F1 #F164B5 #B5F164

tetradic

#64B5F1 #E764F1 #F1A064 #6FF164

square

#64B5F1 #E764F1 #F1A064 #6FF164

split-complementary

#64B5F1 #F1646F #F1E764

monochromatic

#127BC8 #2C9AEC #64B5F1 #9CD0F6 #D4EBFB

Accessibility & contrast

On white

2.23

#64B5F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#64B5F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B5F1

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B5F1	#FFFFFF	#000000	##000000
##64B5F1	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB6F4

Deuteranopia (green-blind)

#87A7F0

Tritanopia (blue-blind)

#00C4CA

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #64b5f1;
/* rgb */ color: rgb(100, 181, 241);
/* oklch */ color: oklch(74.6% 0.118 242.6);

Tailwind

colors: {
  custom: {
    50: '#9bcbf6',
    500: '#64b5f1',
    950: '#000000',
  },
}

SCSS

$custom: #64b5f1;
$custom-light: #9bcbf6;
$custom-dark: #000000;

JSON

{
  "hex": "#64b5f1",
  "rgb": {
    "r": 100,
    "g": 181,
    "b": 241
  },
  "hsl": {
    "h": 205.532,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.74587,
    "c": 0.11797,
    "h": 242.6
  },
  "luminance": 0.42108
}

Semantic roles & 50–950 ramp

primary

#64B5F1

secondary

#EFD5C2

accent

#6206E0

background

#FAFCFF

surface

#F4F8FE

border

#CED1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B5F1

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

Preview Lab → · Contrast checker → · Palette generator →