#64C1EE#64C1EE

#64C1EE is a light, moderate cyan. Relative luminance 0.470; OKLCH L 77.1% C 0.109 H 231.5°. Best body text is #000000 at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#64C1EE
RGB	rgb(100, 193, 238)
HSL	hsl(200, 80%, 66%)
HSV	hsv(200, 58%, 93%)
CMYK	cmyk(58%, 18.9%, 0%, 6.7%)
CIE-LAB	lab(74.20, -14.88, -30.67)
CIE-LCH	lch(74.20, 34.09, 244.12°)
OKLab	oklab(77.13% -0.068 -0.0856)
OKLCH	oklch(77.13% 0.109 231.5)
XYZ	xyz(39.7522, 47.0185, 87.8529)
Luminance	0.4702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C1EE #EE9164

analogous

#64EED6 #64C1EE #647CEE

triadic

#64C1EE #EE64C1 #C1EE64

tetradic

#64C1EE #D664EE #EE9164 #7CEE64

square

#64C1EE #D664EE #EE9164 #7CEE64

split-complementary

#64C1EE #EE647C #EED664

monochromatic

#158AC2 #2DABE8 #64C1EE #9BD7F4 #D2EDFA

Accessibility & contrast

On white

2.02

#64C1EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.40

#64C1EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C1EE

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C1EE	#FFFFFF	#000000	##000000
##64C1EE	1.00	2.02	10.40	10.40
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.40	21.00	1.00	1.00
##000000	10.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBFF0

Deuteranopia (green-blind)

#97B0ED

Tritanopia (blue-blind)

#00CDD0

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #64c1ee;
/* rgb */ color: rgb(100, 193, 238);
/* oklch */ color: oklch(77.1% 0.109 231.5);

Tailwind

colors: {
  custom: {
    50: '#9bd3f3',
    500: '#64c1ee',
    950: '#000000',
  },
}

SCSS

$custom: #64c1ee;
$custom-light: #9bd3f3;
$custom-dark: #000000;

JSON

{
  "hex": "#64c1ee",
  "rgb": {
    "r": 100,
    "g": 193,
    "b": 238
  },
  "hsl": {
    "h": 199.565,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.77133,
    "c": 0.10929,
    "h": 231.5
  },
  "luminance": 0.47022
}

Semantic roles & 50–950 ramp

primary

#64C1EE

secondary

#EDCFC0

accent

#4E09DD

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #64C1EE

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

Preview Lab → · Contrast checker → · Palette generator →