#64B4E1#64B4E1

#64B4E1 is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.7% C 0.102 H 235.1°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#64B4E1
RGB	rgb(100, 180, 225)
HSL	hsl(202, 68%, 64%)
HSV	hsv(202, 56%, 88%)
CMYK	cmyk(55.6%, 20%, 0%, 11.8%)
CIE-LAB	lab(70.03, -11.86, -30.05)
CIE-LCH	lch(70.03, 32.31, 248.46°)
OKLab	oklab(73.65% -0.0584 -0.0838)
OKLCH	oklch(73.65% 0.102 235.1)
XYZ	xyz(35.1623, 40.7849, 77.2388)
Luminance	0.4079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4E1 #E19164

analogous

#64E1CF #64B4E1 #6475E1

triadic

#64B4E1 #E164B4 #B4E164

tetradic

#64B4E1 #CF64E1 #E19164 #75E164

square

#64B4E1 #CF64E1 #E19164 #75E164

split-complementary

#64B4E1 #E16475 #E1CF64

monochromatic

#2178AA #319BD7 #64B4E1 #97CDEB #CBE6F5

Accessibility & contrast

On white

2.29

#64B4E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#64B4E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4E1

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4E1	#FFFFFF	#000000	##000000
##64B4E1	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB3E3

Deuteranopia (green-blind)

#8DA5E0

Tritanopia (blue-blind)

#00C0C3

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #64b4e1;
/* rgb */ color: rgb(100, 180, 225);
/* oklch */ color: oklch(73.7% 0.102 235.1);

Tailwind

colors: {
  custom: {
    50: '#99caea',
    500: '#64b4e1',
    950: '#000000',
  },
}

SCSS

$custom: #64b4e1;
$custom-light: #99caea;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4e1",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 225
  },
  "hsl": {
    "h": 201.6,
    "s": 67.568,
    "l": 63.725
  },
  "oklch": {
    "l": 0.7365,
    "c": 0.10221,
    "h": 235.1
  },
  "luminance": 0.40788
}

Semantic roles & 50–950 ramp

primary

#64B4E1

secondary

#E6CABA

accent

#5916CF

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B4E1

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

Preview Lab → · Contrast checker → · Palette generator →