#64BDEF#64BDEF

#64BDEF is a light, moderate cyan. Relative luminance 0.453; OKLCH L 76.3% C 0.112 H 235.4°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#64BDEF
RGB	rgb(100, 189, 239)
HSL	hsl(202, 81%, 66%)
HSV	hsv(202, 58%, 94%)
CMYK	cmyk(58.2%, 20.9%, 0%, 6.3%)
CIE-LAB	lab(73.11, -12.47, -32.90)
CIE-LCH	lch(73.11, 35.18, 249.25°)
OKLab	oklab(76.28% -0.0634 -0.092)
OKLCH	oklch(76.28% 0.112 235.4)
XYZ	xyz(39.0272, 45.3329, 88.3380)
Luminance	0.4534 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BDEF #EF9664

analogous

#64EFDC #64BDEF #6478EF

triadic

#64BDEF #EF64BD #BDEF64

tetradic

#64BDEF #DC64EF #EF9664 #78EF64

square

#64BDEF #DC64EF #EF9664 #78EF64

split-complementary

#64BDEF #EF6478 #EFDC64

monochromatic

#1485C4 #2DA5E9 #64BDEF #9BD5F5 #D3ECFA

Accessibility & contrast

On white

2.09

#64BDEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#64BDEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BDEF

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BDEF	#FFFFFF	#000000	##000000
##64BDEF	1.00	2.09	10.07	10.07
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5BCF1

Deuteranopia (green-blind)

#92ADEE

Tritanopia (blue-blind)

#00CACE

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #64bdef;
/* rgb */ color: rgb(100, 189, 239);
/* oklch */ color: oklch(76.3% 0.112 235.4);

Tailwind

colors: {
  custom: {
    50: '#9bd0f4',
    500: '#64bdef',
    950: '#000000',
  },
}

SCSS

$custom: #64bdef;
$custom-light: #9bd0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#64bdef",
  "rgb": {
    "r": 100,
    "g": 189,
    "b": 239
  },
  "hsl": {
    "h": 201.583,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.76278,
    "c": 0.11168,
    "h": 235.4
  },
  "luminance": 0.45337
}

Semantic roles & 50–950 ramp

primary

#64BDEF

secondary

#EED1C1

accent

#5508DE

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #64BDEF

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

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