#64B7E4#64B7E4

#64B7E4 is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.5% C 0.104 H 234.2°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#64B7E4
RGB	rgb(100, 183, 228)
HSL	hsl(201, 70%, 64%)
HSV	hsv(201, 56%, 89%)
CMYK	cmyk(56.1%, 19.7%, 0%, 10.6%)
CIE-LAB	lab(70.99, -12.57, -30.20)
CIE-LCH	lch(70.99, 32.71, 247.40°)
OKLab	oklab(74.46% -0.0607 -0.0843)
OKLCH	oklch(74.46% 0.104 234.2)
XYZ	xyz(36.1873, 42.1745, 79.6172)
Luminance	0.4218 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B7E4 #E49164

analogous

#64E4D1 #64B7E4 #6477E4

triadic

#64B7E4 #E464B7 #B7E464

tetradic

#64B7E4 #D164E4 #E49164 #77E464

square

#64B7E4 #D164E4 #E49164 #77E464

split-complementary

#64B7E4 #E46477 #E4D164

monochromatic

#1F7CAF #309FDB #64B7E4 #98CFED #CCE7F6

Accessibility & contrast

On white

2.23

#64B7E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.44

#64B7E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B7E4

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B7E4	#FFFFFF	#000000	##000000
##64B7E4	1.00	2.23	9.44	9.44
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.44	21.00	1.00	1.00
##000000	9.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B5E6

Deuteranopia (green-blind)

#90A8E3

Tritanopia (blue-blind)

#00C3C6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #64b7e4;
/* rgb */ color: rgb(100, 183, 228);
/* oklch */ color: oklch(74.5% 0.104 234.2);

Tailwind

colors: {
  custom: {
    50: '#99ccec',
    500: '#64b7e4',
    950: '#000000',
  },
}

SCSS

$custom: #64b7e4;
$custom-light: #99ccec;
$custom-dark: #000000;

JSON

{
  "hex": "#64b7e4",
  "rgb": {
    "r": 100,
    "g": 183,
    "b": 228
  },
  "hsl": {
    "h": 201.094,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.74455,
    "c": 0.10384,
    "h": 234.2
  },
  "luminance": 0.42178
}

Semantic roles & 50–950 ramp

primary

#64B7E4

secondary

#E8CBBC

accent

#5613D2

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B7E4

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

Preview Lab → · Contrast checker → · Palette generator →