#63BBD4#63BBD4

#63BBD4 is a light, moderate cyan. Relative luminance 0.429; OKLCH L 74.7% C 0.092 H 218.6°. Best body text is #000000 at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#63BBD4
RGB	rgb(99, 187, 212)
HSL	hsl(193, 57%, 61%)
HSV	hsv(193, 53%, 83%)
CMYK	cmyk(53.3%, 11.8%, 0%, 16.9%)
CIE-LAB	lab(71.52, -19.55, -20.67)
CIE-LCH	lch(71.52, 28.45, 226.60°)
OKLab	oklab(74.67% -0.0717 -0.0573)
OKLCH	oklch(74.67% 0.092 218.6)
XYZ	xyz(34.7950, 42.9437, 68.7299)
Luminance	0.4295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BBD4 #D47C63

analogous

#63D4B4 #63BBD4 #6382D4

triadic

#63BBD4 #D463BB #BBD463

tetradic

#63BBD4 #B463D4 #D47C63 #82D463

square

#63BBD4 #B463D4 #D47C63 #82D463

split-complementary

#63BBD4 #D46382 #D4B463

monochromatic

#297C94 #36A4C4 #63BBD4 #93D0E1 #C3E5EE

Accessibility & contrast

On white

2.19

#63BBD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.59

#63BBD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBD4

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BBD4	#FFFFFF	#000000	##000000
##63BBD4	1.00	2.19	9.59	9.59
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.59	21.00	1.00	1.00
##000000	9.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB6D5

Deuteranopia (green-blind)

#9AAAD4

Tritanopia (blue-blind)

#03C4C3

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63bbd4;
/* rgb */ color: rgb(99, 187, 212);
/* oklch */ color: oklch(74.7% 0.092 218.6);

Tailwind

colors: {
  custom: {
    50: '#98cfe1',
    500: '#63bbd4',
    950: '#000000',
  },
}

SCSS

$custom: #63bbd4;
$custom-light: #98cfe1;
$custom-dark: #000000;

JSON

{
  "hex": "#63bbd4",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 212
  },
  "hsl": {
    "h": 193.274,
    "s": 56.784,
    "l": 60.98
  },
  "oklch": {
    "l": 0.74671,
    "c": 0.09173,
    "h": 218.6
  },
  "luminance": 0.42947
}

Semantic roles & 50–950 ramp

primary

#63BBD4

secondary

#DFBEB4

accent

#4521C4

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #63BBD4

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

Preview Lab → · Contrast checker → · Palette generator →