#63BBD2#63BBD2

#63BBD2 is a light, moderate cyan. Relative luminance 0.428; OKLCH L 74.6% C 0.091 H 217.0°. Best body text is #000000 at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#63BBD2
RGB	rgb(99, 187, 210)
HSL	hsl(192, 55%, 61%)
HSV	hsv(192, 53%, 82%)
CMYK	cmyk(52.9%, 11%, 0%, 17.6%)
CIE-LAB	lab(71.45, -20.11, -19.68)
CIE-LCH	lch(71.45, 28.14, 224.38°)
OKLab	oklab(74.59% -0.0724 -0.0545)
OKLCH	oklch(74.59% 0.091 217)
XYZ	xyz(34.5443, 42.8434, 67.4094)
Luminance	0.4285 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BBD2 #D27A63

analogous

#63D2B1 #63BBD2 #6384D2

triadic

#63BBD2 #D263BB #BBD263

tetradic

#63BBD2 #B163D2 #D27A63 #84D263

square

#63BBD2 #B163D2 #D27A63 #84D263

split-complementary

#63BBD2 #D26384 #D2B163

monochromatic

#2A7B91 #37A4C0 #63BBD2 #92D0E0 #C2E4ED

Accessibility & contrast

On white

2.19

#63BBD2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.57

#63BBD2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBD2

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BBD2	#FFFFFF	#000000	##000000
##63BBD2	1.00	2.19	9.57	9.57
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.57	21.00	1.00	1.00
##000000	9.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB6D3

Deuteranopia (green-blind)

#9BAAD2

Tritanopia (blue-blind)

#0BC3C2

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63bbd2;
/* rgb */ color: rgb(99, 187, 210);
/* oklch */ color: oklch(74.6% 0.091 217.0);

Tailwind

colors: {
  custom: {
    50: '#97cfdf',
    500: '#63bbd2',
    950: '#000000',
  },
}

SCSS

$custom: #63bbd2;
$custom-light: #97cfdf;
$custom-dark: #000000;

JSON

{
  "hex": "#63bbd2",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 210
  },
  "hsl": {
    "h": 192.432,
    "s": 55.224,
    "l": 60.588
  },
  "oklch": {
    "l": 0.74594,
    "c": 0.09065,
    "h": 217
  },
  "luminance": 0.42846
}

Semantic roles & 50–950 ramp

primary

#63BBD2

secondary

#DEBCB3

accent

#4423C3

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #63BBD2

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

Preview Lab → · Contrast checker → · Palette generator →