#63BCD4#63BCD4

#63BCD4 is a light, moderate cyan. Relative luminance 0.434; OKLCH L 74.9% C 0.092 H 217.6°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#63BCD4
RGB	rgb(99, 188, 212)
HSL	hsl(193, 57%, 61%)
HSV	hsv(193, 53%, 83%)
CMYK	cmyk(53.3%, 11.3%, 0%, 16.9%)
CIE-LAB	lab(71.81, -20.06, -20.23)
CIE-LCH	lch(71.81, 28.49, 225.25°)
OKLab	oklab(74.9% -0.0728 -0.056)
OKLCH	oklch(74.9% 0.092 217.6)
XYZ	xyz(35.0079, 43.3694, 68.8009)
Luminance	0.4337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCD4 #D47B63

analogous

#63D4B3 #63BCD4 #6383D4

triadic

#63BCD4 #D463BC #BCD463

tetradic

#63BCD4 #B363D4 #D47B63 #83D463

square

#63BCD4 #B363D4 #D47B63 #83D463

split-complementary

#63BCD4 #D46383 #D4B363

monochromatic

#297D94 #36A6C4 #63BCD4 #93D1E1 #C3E5EE

Accessibility & contrast

On white

2.17

#63BCD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#63BCD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCD4

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCD4	#FFFFFF	#000000	##000000
##63BCD4	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB7D5

Deuteranopia (green-blind)

#9BAAD4

Tritanopia (blue-blind)

#01C5C3

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63bcd4;
/* rgb */ color: rgb(99, 188, 212);
/* oklch */ color: oklch(74.9% 0.092 217.6);

Tailwind

colors: {
  custom: {
    50: '#98d0e1',
    500: '#63bcd4',
    950: '#000000',
  },
}

SCSS

$custom: #63bcd4;
$custom-light: #98d0e1;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcd4",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 212
  },
  "hsl": {
    "h": 192.743,
    "s": 56.784,
    "l": 60.98
  },
  "oklch": {
    "l": 0.74902,
    "c": 0.09185,
    "h": 217.6
  },
  "luminance": 0.43373
}

Semantic roles & 50–950 ramp

primary

#63BCD4

secondary

#DFBDB4

accent

#4421C4

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #63BCD4

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

Preview Lab → · Contrast checker → · Palette generator →