#64B1DB#64B1DB

#64B1DB is a light, moderate cyan. Relative luminance 0.393; OKLCH L 72.7% C 0.098 H 234.2°. Best body text is #000000 at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#64B1DB
RGB	rgb(100, 177, 219)
HSL	hsl(201, 62%, 63%)
HSV	hsv(201, 54%, 86%)
CMYK	cmyk(54.3%, 19.2%, 0%, 14.1%)
CIE-LAB	lab(68.94, -12.04, -28.44)
CIE-LCH	lch(68.94, 30.88, 247.06°)
OKLab	oklab(72.72% -0.0572 -0.0792)
OKLCH	oklch(72.72% 0.098 234.2)
XYZ	xyz(33.7591, 39.2651, 72.8040)
Luminance	0.3927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B1DB #DB8E64

analogous

#64DBC9 #64B1DB #6476DB

triadic

#64B1DB #DB64B1 #B1DB64

tetradic

#64B1DB #C964DB #DB8E64 #76DB64

square

#64B1DB #C964DB #DB8E64 #76DB64

split-complementary

#64B1DB #DB6476 #DBC964

monochromatic

#2574A0 #3298CF #64B1DB #96CAE7 #C7E3F2

Accessibility & contrast

On white

2.37

#64B1DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.85

#64B1DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B1DB

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B1DB	#FFFFFF	#000000	##000000
##64B1DB	1.00	2.37	8.85	8.85
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.85	21.00	1.00	1.00
##000000	8.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DAFDD

Deuteranopia (green-blind)

#8CA3DA

Tritanopia (blue-blind)

#00BCBF

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #64b1db;
/* rgb */ color: rgb(100, 177, 219);
/* oklch */ color: oklch(72.7% 0.098 234.2);

Tailwind

colors: {
  custom: {
    50: '#98c8e6',
    500: '#64b1db',
    950: '#000000',
  },
}

SCSS

$custom: #64b1db;
$custom-light: #98c8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#64b1db",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 219
  },
  "hsl": {
    "h": 201.176,
    "s": 62.304,
    "l": 62.549
  },
  "oklch": {
    "l": 0.72715,
    "c": 0.09773,
    "h": 234.2
  },
  "luminance": 0.39268
}

Semantic roles & 50–950 ramp

primary

#64B1DB

secondary

#E3C7B8

accent

#591BCA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #64B1DB

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

Preview Lab → · Contrast checker → · Palette generator →