#64B4EF#64B4EF

#64B4EF is a light, moderate cyan. Relative luminance 0.416; OKLCH L 74.3% C 0.116 H 242.5°. Best body text is #000000 at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#64B4EF
RGB	rgb(100, 180, 239)
HSL	hsl(205, 81%, 66%)
HSV	hsv(205, 58%, 94%)
CMYK	cmyk(58.2%, 24.7%, 0%, 6.3%)
CIE-LAB	lab(70.58, -7.61, -36.82)
CIE-LCH	lch(70.58, 37.60, 258.32°)
OKLab	oklab(74.27% -0.0538 -0.1033)
OKLCH	oklch(74.27% 0.116 242.5)
XYZ	xyz(37.1510, 41.5804, 87.7126)
Luminance	0.4158 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B4EF #EF9F64

analogous

#64EFE5 #64B4EF #646FEF

triadic

#64B4EF #EF64B4 #B4EF64

tetradic

#64B4EF #E564EF #EF9F64 #6FEF64

square

#64B4EF #E564EF #EF9F64 #6FEF64

split-complementary

#64B4EF #EF646F #EFE564

monochromatic

#147AC4 #2D99E9 #64B4EF #9BCFF5 #D3EAFA

Accessibility & contrast

On white

2.25

#64B4EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.32

#64B4EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B4EF

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B4EF	#FFFFFF	#000000	##000000
##64B4EF	1.00	2.25	9.32	9.32
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.32	21.00	1.00	1.00
##000000	9.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB4F2

Deuteranopia (green-blind)

#87A6EE

Tritanopia (blue-blind)

#00C2C8

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #64b4ef;
/* rgb */ color: rgb(100, 180, 239);
/* oklch */ color: oklch(74.3% 0.116 242.5);

Tailwind

colors: {
  custom: {
    50: '#9acaf4',
    500: '#64b4ef',
    950: '#000000',
  },
}

SCSS

$custom: #64b4ef;
$custom-light: #9acaf4;
$custom-dark: #000000;

JSON

{
  "hex": "#64b4ef",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 239
  },
  "hsl": {
    "h": 205.468,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.74274,
    "c": 0.11644,
    "h": 242.5
  },
  "luminance": 0.41584
}

Semantic roles & 50–950 ramp

primary

#64B4EF

secondary

#EED4C1

accent

#6308DE

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B4EF

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

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