#64B7DF#64B7DF

#64B7DF is a light, moderate cyan. Relative luminance 0.419; OKLCH L 74.2% C 0.099 H 231.1°. Best body text is #000000 at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#64B7DF
RGB	rgb(100, 183, 223)
HSL	hsl(200, 66%, 63%)
HSV	hsv(200, 55%, 87%)
CMYK	cmyk(55.2%, 17.9%, 0%, 12.5%)
CIE-LAB	lab(70.80, -14.06, -27.76)
CIE-LCH	lch(70.80, 31.12, 243.15°)
OKLab	oklab(74.24% -0.0624 -0.0773)
OKLCH	oklch(74.24% 0.099 231.1)
XYZ	xyz(35.5033, 41.9008, 76.0144)
Luminance	0.4190 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B7DF #DF8C64

analogous

#64DFC9 #64B7DF #6479DF

triadic

#64B7DF #DF64B7 #B7DF64

tetradic

#64B7DF #C964DF #DF8C64 #79DF64

square

#64B7DF #C964DF #DF8C64 #79DF64

split-complementary

#64B7DF #DF6479 #DFC964

monochromatic

#227BA6 #319FD5 #64B7DF #97CFE9 #C9E6F4

Accessibility & contrast

On white

2.24

#64B7DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.38

#64B7DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B7DF

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B7DF	#FFFFFF	#000000	##000000
##64B7DF	1.00	2.24	9.38	9.38
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.38	21.00	1.00	1.00
##000000	9.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B5E1

Deuteranopia (green-blind)

#92A8DE

Tritanopia (blue-blind)

#00C2C4

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #64b7df;
/* rgb */ color: rgb(100, 183, 223);
/* oklch */ color: oklch(74.2% 0.099 231.1);

Tailwind

colors: {
  custom: {
    50: '#99cce9',
    500: '#64b7df',
    950: '#000000',
  },
}

SCSS

$custom: #64b7df;
$custom-light: #99cce9;
$custom-dark: #000000;

JSON

{
  "hex": "#64b7df",
  "rgb": {
    "r": 100,
    "g": 183,
    "b": 223
  },
  "hsl": {
    "h": 199.512,
    "s": 65.775,
    "l": 63.333
  },
  "oklch": {
    "l": 0.74243,
    "c": 0.09938,
    "h": 231.1
  },
  "luminance": 0.41904
}

Semantic roles & 50–950 ramp

primary

#64B7DF

secondary

#E5C8B9

accent

#5318CE

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B7DF

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

Preview Lab → · Contrast checker → · Palette generator →