#64B7EE#64B7EE

#64B7EE is a light, moderate cyan. Relative luminance 0.427; OKLCH L 74.9% C 0.114 H 239.7°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#64B7EE
RGB	rgb(100, 183, 238)
HSL	hsl(204, 80%, 66%)
HSV	hsv(204, 58%, 93%)
CMYK	cmyk(58%, 23.1%, 0%, 6.7%)
CIE-LAB	lab(71.38, -9.55, -35.03)
CIE-LCH	lch(71.38, 36.31, 254.75°)
OKLab	oklab(74.89% -0.0573 -0.0981)
OKLCH	oklch(74.89% 0.114 239.7)
XYZ	xyz(37.6159, 42.7459, 87.1408)
Luminance	0.4275 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B7EE #EE9B64

analogous

#64EEE0 #64B7EE #6472EE

triadic

#64B7EE #EE64B7 #B7EE64

tetradic

#64B7EE #E064EE #EE9B64 #72EE64

square

#64B7EE #E064EE #EE9B64 #72EE64

split-complementary

#64B7EE #EE6472 #EEE064

monochromatic

#157DC2 #2D9DE8 #64B7EE #9BD1F4 #D2EAFA

Accessibility & contrast

On white

2.20

#64B7EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.55

#64B7EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B7EE

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B7EE	#FFFFFF	#000000	##000000
##64B7EE	1.00	2.20	9.55	9.55
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.55	21.00	1.00	1.00
##000000	9.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB7F1

Deuteranopia (green-blind)

#8BA9ED

Tritanopia (blue-blind)

#00C5CA

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #64b7ee;
/* rgb */ color: rgb(100, 183, 238);
/* oklch */ color: oklch(74.9% 0.114 239.7);

Tailwind

colors: {
  custom: {
    50: '#9accf3',
    500: '#64b7ee',
    950: '#000000',
  },
}

SCSS

$custom: #64b7ee;
$custom-light: #9accf3;
$custom-dark: #000000;

JSON

{
  "hex": "#64b7ee",
  "rgb": {
    "r": 100,
    "g": 183,
    "b": 238
  },
  "hsl": {
    "h": 203.913,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.74894,
    "c": 0.11362,
    "h": 239.7
  },
  "luminance": 0.42749
}

Semantic roles & 50–950 ramp

primary

#64B7EE

secondary

#EDD2C0

accent

#5D09DD

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B7EE

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

Preview Lab → · Contrast checker → · Palette generator →