#63B2DD#63B2DD

#63B2DD is a light, moderate cyan. Relative luminance 0.397; OKLCH L 73.0% C 0.100 H 234.2°. Best body text is #000000 at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#63B2DD
RGB	rgb(99, 178, 221)
HSL	hsl(201, 64%, 63%)
HSV	hsv(201, 55%, 87%)
CMYK	cmyk(55.2%, 19.5%, 0%, 13.3%)
CIE-LAB	lab(69.26, -12.19, -29.04)
CIE-LCH	lch(69.26, 31.49, 247.24°)
OKLab	oklab(72.98% -0.0584 -0.081)
OKLCH	oklch(72.98% 0.1 234.2)
XYZ	xyz(34.1123, 39.7109, 74.2599)
Luminance	0.3971 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2DD #DD8E63

analogous

#63DDCB #63B2DD #6375DD

triadic

#63B2DD #DD63B2 #B2DD63

tetradic

#63B2DD #CB63DD #DD8E63 #75DD63

square

#63B2DD #CB63DD #DD8E63 #75DD63

split-complementary

#63B2DD #DD6375 #DDCB63

monochromatic

#2376A2 #3199D2 #63B2DD #95CBE8 #C7E4F3

Accessibility & contrast

On white

2.35

#63B2DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.94

#63B2DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2DD

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2DD	#FFFFFF	#000000	##000000
##63B2DD	1.00	2.35	8.94	8.94
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.94	21.00	1.00	1.00
##000000	8.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB0DF

Deuteranopia (green-blind)

#8CA3DC

Tritanopia (blue-blind)

#00BDC0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63b2dd;
/* rgb */ color: rgb(99, 178, 221);
/* oklch */ color: oklch(73.0% 0.100 234.2);

Tailwind

colors: {
  custom: {
    50: '#98c9e7',
    500: '#63b2dd',
    950: '#000000',
  },
}

SCSS

$custom: #63b2dd;
$custom-light: #98c9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2dd",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 221
  },
  "hsl": {
    "h": 201.148,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.72983,
    "c": 0.09982,
    "h": 234.2
  },
  "luminance": 0.39714
}

Semantic roles & 50–950 ramp

primary

#63B2DD

secondary

#E4C7B8

accent

#5819CC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #63B2DD

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

Preview Lab → · Contrast checker → · Palette generator →