#64B4EB#64B4EB

#64B4EB is a light, moderate cyan. Relative luminance 0.413; OKLCH L 74.1% C 0.112 H 240.6°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#64B4EB
RGB	rgb(100, 180, 235)
HSL	hsl(204, 77%, 66%)
HSV	hsv(204, 57%, 92%)
CMYK	cmyk(57.4%, 23.4%, 0%, 7.8%)
CIE-LAB	lab(70.42, -8.84, -34.89)
CIE-LCH	lch(70.42, 36.00, 255.78°)
OKLab	oklab(74.09% -0.0551 -0.0977)
OKLCH	oklch(74.09% 0.112 240.6)
XYZ	xyz(36.5666, 41.3467, 84.6348)
Luminance	0.4135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4EB #EB9B64

analogous

#64EBDE #64B4EB #6470EB

triadic

#64B4EB #EB64B4 #B4EB64

tetradic

#64B4EB #DE64EB #EB9B64 #70EB64

square

#64B4EB #DE64EB #EB9B64 #70EB64

split-complementary

#64B4EB #EB6470 #EBDE64

monochromatic

#1879BC #2E9AE4 #64B4EB #9ACEF2 #D0E8F9

Accessibility & contrast

On white

2.27

#64B4EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.27

#64B4EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4EB

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4EB	#FFFFFF	#000000	##000000
##64B4EB	1.00	2.27	9.27	9.27
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.27	21.00	1.00	1.00
##000000	9.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB4EE

Deuteranopia (green-blind)

#89A6EA

Tritanopia (blue-blind)

#00C2C7

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b4eb;
/* rgb */ color: rgb(100, 180, 235);
/* oklch */ color: oklch(74.1% 0.112 240.6);

Tailwind

colors: {
  custom: {
    50: '#9acaf1',
    500: '#64b4eb',
    950: '#000000',
  },
}

SCSS

$custom: #64b4eb;
$custom-light: #9acaf1;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4eb",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 235
  },
  "hsl": {
    "h": 204.444,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.74091,
    "c": 0.11218,
    "h": 240.6
  },
  "luminance": 0.4135
}

Semantic roles & 50–950 ramp

primary

#64B4EB

secondary

#ECD1BF

accent

#600CD9

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #64B4EB

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

Preview Lab → · Contrast checker → · Palette generator →