#64B1E8#64B1E8

#64B1E8 is a light, moderate cyan. Relative luminance 0.400; OKLCH L 73.3% C 0.111 H 241.5°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#64B1E8
RGB	rgb(100, 177, 232)
HSL	hsl(205, 74%, 65%)
HSV	hsv(205, 57%, 91%)
CMYK	cmyk(56.9%, 23.7%, 0%, 9%)
CIE-LAB	lab(69.45, -8.12, -34.76)
CIE-LCH	lch(69.45, 35.69, 256.85°)
OKLab	oklab(73.29% -0.0528 -0.0974)
OKLCH	oklch(73.29% 0.111 241.5)
XYZ	xyz(35.5378, 39.9766, 82.1718)
Luminance	0.3998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B1E8 #E89B64

analogous

#64E8DD #64B1E8 #646FE8

triadic

#64B1E8 #E864B1 #B1E864

tetradic

#64B1E8 #DD64E8 #E89B64 #6FE864

square

#64B1E8 #DD64E8 #E89B64 #6FE864

split-complementary

#64B1E8 #E8646F #E8DD64

monochromatic

#1B76B7 #2F96E0 #64B1E8 #99CCF0 #CFE7F8

Accessibility & contrast

On white

2.33

#64B1E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#64B1E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B1E8

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B1E8	#FFFFFF	#000000	##000000
##64B1E8	1.00	2.33	9.00	9.00
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.00	21.00	1.00	1.00
##000000	9.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B1EB

Deuteranopia (green-blind)

#87A4E7

Tritanopia (blue-blind)

#00BFC4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #64b1e8;
/* rgb */ color: rgb(100, 177, 232);
/* oklch */ color: oklch(73.3% 0.111 241.5);

Tailwind

colors: {
  custom: {
    50: '#9ac8ef',
    500: '#64b1e8',
    950: '#000000',
  },
}

SCSS

$custom: #64b1e8;
$custom-light: #9ac8ef;
$custom-dark: #000000;

JSON

{
  "hex": "#64b1e8",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 232
  },
  "hsl": {
    "h": 205,
    "s": 74.157,
    "l": 65.098
  },
  "oklch": {
    "l": 0.73288,
    "c": 0.11075,
    "h": 241.5
  },
  "luminance": 0.3998
}

Semantic roles & 50–950 ramp

primary

#64B1E8

secondary

#EAD0BE

accent

#620FD6

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #64B1E8

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

Preview Lab → · Contrast checker → · Palette generator →