#64B4E8#64B4E8

#64B4E8 is a light, moderate cyan. Relative luminance 0.412; OKLCH L 74.0% C 0.109 H 239.1°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#64B4E8
RGB	rgb(100, 180, 232)
HSL	hsl(204, 74%, 65%)
HSV	hsv(204, 57%, 91%)
CMYK	cmyk(56.9%, 22.4%, 0%, 9%)
CIE-LAB	lab(70.30, -9.75, -33.45)
CIE-LCH	lch(70.30, 34.84, 253.74°)
OKLab	oklab(73.96% -0.0561 -0.0936)
OKLCH	oklch(73.96% 0.109 239.1)
XYZ	xyz(36.1369, 41.1748, 82.3714)
Luminance	0.4118 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4E8 #E89864

analogous

#64E8DA #64B4E8 #6472E8

triadic

#64B4E8 #E864B4 #B4E864

tetradic

#64B4E8 #DA64E8 #E89864 #72E864

square

#64B4E8 #DA64E8 #E89864 #72E864

split-complementary

#64B4E8 #E86472 #E8DA64

monochromatic

#1B79B7 #2F9AE0 #64B4E8 #99CEF0 #CFE8F8

Accessibility & contrast

On white

2.27

#64B4E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.24

#64B4E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4E8

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4E8	#FFFFFF	#000000	##000000
##64B4E8	1.00	2.27	9.24	9.24
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.24	21.00	1.00	1.00
##000000	9.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB3EA

Deuteranopia (green-blind)

#8AA6E7

Tritanopia (blue-blind)

#00C1C5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b4e8;
/* rgb */ color: rgb(100, 180, 232);
/* oklch */ color: oklch(74.0% 0.109 239.1);

Tailwind

colors: {
  custom: {
    50: '#9acaef',
    500: '#64b4e8',
    950: '#000000',
  },
}

SCSS

$custom: #64b4e8;
$custom-light: #9acaef;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4e8",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 232
  },
  "hsl": {
    "h": 203.636,
    "s": 74.157,
    "l": 65.098
  },
  "oklch": {
    "l": 0.73957,
    "c": 0.10909,
    "h": 239.1
  },
  "luminance": 0.41178
}

Semantic roles & 50–950 ramp

primary

#64B4E8

secondary

#EACFBE

accent

#5E0FD6

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #64B4E8

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

Preview Lab → · Contrast checker → · Palette generator →