#64BBEF#64BBEF

#64BBEF is a light, moderate cyan. Relative luminance 0.445; OKLCH L 75.8% C 0.113 H 237.0°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#64BBEF
RGB	rgb(100, 187, 239)
HSL	hsl(202, 81%, 66%)
HSV	hsv(202, 58%, 94%)
CMYK	cmyk(58.2%, 21.8%, 0%, 6.3%)
CIE-LAB	lab(72.55, -11.40, -33.77)
CIE-LCH	lch(72.55, 35.64, 251.35°)
OKLab	oklab(75.83% -0.0612 -0.0945)
OKLCH	oklch(75.83% 0.113 237)
XYZ	xyz(38.6000, 44.4784, 88.1956)
Luminance	0.4448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BBEF #EF9864

analogous

#64EFDE #64BBEF #6476EF

triadic

#64BBEF #EF64BB #BBEF64

tetradic

#64BBEF #DE64EF #EF9864 #76EF64

square

#64BBEF #DE64EF #EF9864 #76EF64

split-complementary

#64BBEF #EF6476 #EFDE64

monochromatic

#1482C4 #2DA3E9 #64BBEF #9BD3F5 #D3ECFA

Accessibility & contrast

On white

2.12

#64BBEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.90

#64BBEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BBEF

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BBEF	#FFFFFF	#000000	##000000
##64BBEF	1.00	2.12	9.90	9.90
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.90	21.00	1.00	1.00
##000000	9.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3BAF1

Deuteranopia (green-blind)

#90ACEE

Tritanopia (blue-blind)

#00C8CC

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #64bbef;
/* rgb */ color: rgb(100, 187, 239);
/* oklch */ color: oklch(75.8% 0.113 237.0);

Tailwind

colors: {
  custom: {
    50: '#9bcff4',
    500: '#64bbef',
    950: '#000000',
  },
}

SCSS

$custom: #64bbef;
$custom-light: #9bcff4;
$custom-dark: #000000;

JSON

{
  "hex": "#64bbef",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 239
  },
  "hsl": {
    "h": 202.446,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.75831,
    "c": 0.11258,
    "h": 237
  },
  "luminance": 0.44482
}

Semantic roles & 50–950 ramp

primary

#64BBEF

secondary

#EED2C1

accent

#5808DE

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64BBEF

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

Preview Lab → · Contrast checker → · Palette generator →