#64B2DD#64B2DD

#64B2DD is a light, moderate cyan. Relative luminance 0.398; OKLCH L 73.0% C 0.099 H 234.5°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#64B2DD
RGB	rgb(100, 178, 221)
HSL	hsl(201, 64%, 63%)
HSV	hsv(201, 55%, 87%)
CMYK	cmyk(54.8%, 19.5%, 0%, 13.3%)
CIE-LAB	lab(69.30, -11.98, -28.98)
CIE-LCH	lch(69.30, 31.35, 247.54°)
OKLab	oklab(73.03% -0.0576 -0.0808)
OKLCH	oklch(73.03% 0.099 234.5)
XYZ	xyz(34.2222, 39.7676, 74.2651)
Luminance	0.3977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B2DD #DD8F64

analogous

#64DDCB #64B2DD #6476DD

triadic

#64B2DD #DD64B2 #B2DD64

tetradic

#64B2DD #CB64DD #DD8F64 #76DD64

square

#64B2DD #CB64DD #DD8F64 #76DD64

split-complementary

#64B2DD #DD6476 #DDCB64

monochromatic

#2476A3 #3299D2 #64B2DD #96CBE8 #C8E4F3

Accessibility & contrast

On white

2.35

#64B2DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.95

#64B2DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B2DD

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B2DD	#FFFFFF	#000000	##000000
##64B2DD	1.00	2.35	8.95	8.95
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.95	21.00	1.00	1.00
##000000	8.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB0DF

Deuteranopia (green-blind)

#8DA4DC

Tritanopia (blue-blind)

#00BDC0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #64b2dd;
/* rgb */ color: rgb(100, 178, 221);
/* oklch */ color: oklch(73.0% 0.099 234.5);

Tailwind

colors: {
  custom: {
    50: '#98c9e7',
    500: '#64b2dd',
    950: '#000000',
  },
}

SCSS

$custom: #64b2dd;
$custom-light: #98c9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#64b2dd",
  "rgb": {
    "r": 100,
    "g": 178,
    "b": 221
  },
  "hsl": {
    "h": 201.322,
    "s": 64.021,
    "l": 62.941
  },
  "oklch": {
    "l": 0.73027,
    "c": 0.09922,
    "h": 234.5
  },
  "luminance": 0.39771
}

Semantic roles & 50–950 ramp

primary

#64B2DD

secondary

#E4C8B9

accent

#591ACC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #64B2DD

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

Preview Lab → · Contrast checker → · Palette generator →