#64B1DF#64B1DF

#64B1DF is a light, moderate cyan. Relative luminance 0.395; OKLCH L 72.9% C 0.102 H 236.7°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#64B1DF
RGB	rgb(100, 177, 223)
HSL	hsl(202, 66%, 63%)
HSV	hsv(202, 55%, 87%)
CMYK	cmyk(55.2%, 20.6%, 0%, 12.5%)
CIE-LAB	lab(69.10, -10.85, -30.39)
CIE-LCH	lch(69.10, 32.27, 250.36°)
OKLab	oklab(72.89% -0.0558 -0.0848)
OKLCH	oklch(72.89% 0.102 236.7)
XYZ	xyz(34.2920, 39.4783, 75.6107)
Luminance	0.3948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B1DF #DF9264

analogous

#64DFCF #64B1DF #6473DF

triadic

#64B1DF #DF64B1 #B1DF64

tetradic

#64B1DF #CF64DF #DF9264 #73DF64

square

#64B1DF #CF64DF #DF9264 #73DF64

split-complementary

#64B1DF #DF6473 #DFCF64

monochromatic

#2275A6 #3197D5 #64B1DF #97CBE9 #C9E4F4

Accessibility & contrast

On white

2.36

#64B1DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#64B1DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B1DF

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B1DF	#FFFFFF	#000000	##000000
##64B1DF	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB0E1

Deuteranopia (green-blind)

#8BA3DE

Tritanopia (blue-blind)

#00BDC0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #64b1df;
/* rgb */ color: rgb(100, 177, 223);
/* oklch */ color: oklch(72.9% 0.102 236.7);

Tailwind

colors: {
  custom: {
    50: '#99c8e9',
    500: '#64b1df',
    950: '#000000',
  },
}

SCSS

$custom: #64b1df;
$custom-light: #99c8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#64b1df",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 223
  },
  "hsl": {
    "h": 202.439,
    "s": 65.775,
    "l": 63.333
  },
  "oklch": {
    "l": 0.72888,
    "c": 0.10155,
    "h": 236.7
  },
  "luminance": 0.39481
}

Semantic roles & 50–950 ramp

primary

#64B1DF

secondary

#E5CAB9

accent

#5C18CE

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #64B1DF

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

Preview Lab → · Contrast checker → · Palette generator →