#64B1EA#64B1EA

#64B1EA is a light, moderate cyan. Relative luminance 0.401; OKLCH L 73.4% C 0.113 H 242.5°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#64B1EA
RGB	rgb(100, 177, 234)
HSL	hsl(206, 76%, 65%)
HSV	hsv(206, 57%, 92%)
CMYK	cmyk(57.3%, 24.4%, 0%, 8.2%)
CIE-LAB	lab(69.53, -7.51, -35.72)
CIE-LCH	lch(69.53, 36.50, 258.13°)
OKLab	oklab(73.38% -0.0522 -0.1001)
OKLCH	oklch(73.38% 0.113 242.5)
XYZ	xyz(35.8235, 40.0909, 83.6764)
Luminance	0.4009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B1EA #EA9D64

analogous

#64EAE0 #64B1EA #646EEA

triadic

#64B1EA #EA64B1 #B1EA64

tetradic

#64B1EA #E064EA #EA9D64 #6EEA64

square

#64B1EA #E064EA #EA9D64 #6EEA64

split-complementary

#64B1EA #EA646E #EAE064

monochromatic

#1976BA #2E96E3 #64B1EA #9ACCF1 #D0E7F9

Accessibility & contrast

On white

2.33

#64B1EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#64B1EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B1EA

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B1EA	#FFFFFF	#000000	##000000
##64B1EA	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B1ED

Deuteranopia (green-blind)

#86A4E9

Tritanopia (blue-blind)

#00BFC4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #64b1ea;
/* rgb */ color: rgb(100, 177, 234);
/* oklch */ color: oklch(73.4% 0.113 242.5);

Tailwind

colors: {
  custom: {
    50: '#9ac8f1',
    500: '#64b1ea',
    950: '#000000',
  },
}

SCSS

$custom: #64b1ea;
$custom-light: #9ac8f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64b1ea",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 234
  },
  "hsl": {
    "h": 205.522,
    "s": 76.136,
    "l": 65.49
  },
  "oklch": {
    "l": 0.73379,
    "c": 0.11291,
    "h": 242.5
  },
  "luminance": 0.40094
}

Semantic roles & 50–950 ramp

primary

#64B1EA

secondary

#EBD2BE

accent

#640DD8

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #64B1EA

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

Preview Lab → · Contrast checker → · Palette generator →