#64B1EC#64B1EC

#64B1EC is a light, moderate cyan. Relative luminance 0.402; OKLCH L 73.5% C 0.115 H 243.4°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#64B1EC
RGB	rgb(100, 177, 236)
HSL	hsl(206, 78%, 66%)
HSV	hsv(206, 58%, 93%)
CMYK	cmyk(57.6%, 25%, 0%, 7.5%)
CIE-LAB	lab(69.62, -6.90, -36.68)
CIE-LCH	lch(69.62, 37.33, 259.35°)
OKLab	oklab(73.47% -0.0515 -0.1029)
OKLCH	oklch(73.47% 0.115 243.4)
XYZ	xyz(36.1124, 40.2065, 85.1982)
Luminance	0.4021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B1EC #EC9F64

analogous

#64ECE3 #64B1EC #646DEC

triadic

#64B1EC #EC64B1 #B1EC64

tetradic

#64B1EC #E364EC #EC9F64 #6DEC64

square

#64B1EC #E364EC #EC9F64 #6DEC64

split-complementary

#64B1EC #EC646D #ECE364

monochromatic

#1776BE #2D96E5 #64B1EC #9BCCF3 #D1E8F9

Accessibility & contrast

On white

2.32

#64B1EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#64B1EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B1EC

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B1EC	#FFFFFF	#000000	##000000
##64B1EC	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B2EF

Deuteranopia (green-blind)

#85A4EB

Tritanopia (blue-blind)

#00BFC5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #64b1ec;
/* rgb */ color: rgb(100, 177, 236);
/* oklch */ color: oklch(73.5% 0.115 243.4);

Tailwind

colors: {
  custom: {
    50: '#9ac8f2',
    500: '#64b1ec',
    950: '#000000',
  },
}

SCSS

$custom: #64b1ec;
$custom-light: #9ac8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#64b1ec",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 236
  },
  "hsl": {
    "h": 206.029,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.73471,
    "c": 0.11508,
    "h": 243.4
  },
  "luminance": 0.4021
}

Semantic roles & 50–950 ramp

primary

#64B1EC

secondary

#ECD3BF

accent

#650BDA

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B1EC

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

Preview Lab → · Contrast checker → · Palette generator →