#64B4E5#64B4E5

#64B4E5 is a light, moderate cyan. Relative luminance 0.410; OKLCH L 73.8% C 0.106 H 237.5°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#64B4E5
RGB	rgb(100, 180, 229)
HSL	hsl(203, 71%, 65%)
HSV	hsv(203, 56%, 90%)
CMYK	cmyk(56.3%, 21.4%, 0%, 10.2%)
CIE-LAB	lab(70.18, -10.66, -31.99)
CIE-LCH	lch(70.18, 33.72, 251.57°)
OKLab	oklab(73.82% -0.0571 -0.0894)
OKLCH	oklch(73.82% 0.106 237.5)
XYZ	xyz(35.7144, 41.0058, 80.1464)
Luminance	0.4101 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4E5 #E59564

analogous

#64E5D6 #64B4E5 #6473E5

triadic

#64B4E5 #E564B4 #B4E564

tetradic

#64B4E5 #D664E5 #E59564 #73E564

square

#64B4E5 #D664E5 #E59564 #73E564

split-complementary

#64B4E5 #E56473 #E5D664

monochromatic

#1E79B1 #309BDC #64B4E5 #98CDEE #CDE7F7

Accessibility & contrast

On white

2.28

#64B4E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#64B4E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4E5

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4E5	#FFFFFF	#000000	##000000
##64B4E5	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB3E7

Deuteranopia (green-blind)

#8CA6E4

Tritanopia (blue-blind)

#00C1C4

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b4e5;
/* rgb */ color: rgb(100, 180, 229);
/* oklch */ color: oklch(73.8% 0.106 237.5);

Tailwind

colors: {
  custom: {
    50: '#99caed',
    500: '#64b4e5',
    950: '#000000',
  },
}

SCSS

$custom: #64b4e5;
$custom-light: #99caed;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4e5",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 229
  },
  "hsl": {
    "h": 202.791,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.73824,
    "c": 0.10607,
    "h": 237.5
  },
  "luminance": 0.41009
}

Semantic roles & 50–950 ramp

primary

#64B4E5

secondary

#E9CDBC

accent

#5C12D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B4E5

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

Preview Lab → · Contrast checker → · Palette generator →