#63BCD3#63BCD3

#63BCD3 is a light, moderate cyan. Relative luminance 0.433; OKLCH L 74.9% C 0.091 H 216.8°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#63BCD3
RGB	rgb(99, 188, 211)
HSL	hsl(192, 56%, 61%)
HSV	hsv(192, 53%, 83%)
CMYK	cmyk(53.1%, 10.9%, 0%, 17.3%)
CIE-LAB	lab(71.77, -20.34, -19.74)
CIE-LCH	lch(71.77, 28.35, 224.14°)
OKLab	oklab(74.86% -0.0732 -0.0546)
OKLCH	oklch(74.86% 0.091 216.8)
XYZ	xyz(34.8821, 43.3191, 68.1386)
Luminance	0.4332 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCD3 #D37A63

analogous

#63D3B2 #63BCD3 #6384D3

triadic

#63BCD3 #D363BC #BCD363

tetradic

#63BCD3 #B263D3 #D37A63 #84D363

square

#63BCD3 #B263D3 #D37A63 #84D363

split-complementary

#63BCD3 #D36384 #D3B263

monochromatic

#297D92 #37A5C2 #63BCD3 #93D1E0 #C2E5EE

Accessibility & contrast

On white

2.17

#63BCD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#63BCD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCD3

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCD3	#FFFFFF	#000000	##000000
##63BCD3	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB7D4

Deuteranopia (green-blind)

#9CAAD3

Tritanopia (blue-blind)

#05C4C3

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63bcd3;
/* rgb */ color: rgb(99, 188, 211);
/* oklch */ color: oklch(74.9% 0.091 216.8);

Tailwind

colors: {
  custom: {
    50: '#98d0e0',
    500: '#63bcd3',
    950: '#000000',
  },
}

SCSS

$custom: #63bcd3;
$custom-light: #98d0e0;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcd3",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 211
  },
  "hsl": {
    "h": 192.321,
    "s": 56,
    "l": 60.784
  },
  "oklch": {
    "l": 0.74864,
    "c": 0.09133,
    "h": 216.8
  },
  "luminance": 0.43322
}

Semantic roles & 50–950 ramp

primary

#63BCD3

secondary

#DEBCB4

accent

#4322C4

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #63BCD3

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

Preview Lab → · Contrast checker → · Palette generator →