#63B4D8#63B4D8

#63B4D8 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.2% C 0.095 H 228.9°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#63B4D8
RGB	rgb(99, 180, 216)
HSL	hsl(198, 60%, 62%)
HSV	hsv(198, 54%, 85%)
CMYK	cmyk(54.2%, 16.7%, 0%, 15.3%)
CIE-LAB	lab(69.65, -14.73, -25.71)
CIE-LCH	lch(69.65, 29.63, 240.19°)
OKLab	oklab(73.23% -0.0624 -0.0715)
OKLCH	oklch(73.23% 0.095 228.9)
XYZ	xyz(33.8568, 40.2500, 70.9373)
Luminance	0.4025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4D8 #D88763

analogous

#63D8C2 #63B4D8 #637AD8

triadic

#63B4D8 #D863B4 #B4D863

tetradic

#63B4D8 #C263D8 #D88763 #7AD863

square

#63B4D8 #C263D8 #D88763 #7AD863

split-complementary

#63B4D8 #D8637A #D8C263

monochromatic

#27779A #339CCB #63B4D8 #94CCE4 #C5E3F0

Accessibility & contrast

On white

2.32

#63B4D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#63B4D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4D8

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4D8	#FFFFFF	#000000	##000000
##63B4D8	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B1DA

Deuteranopia (green-blind)

#91A5D8

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63b4d8;
/* rgb */ color: rgb(99, 180, 216);
/* oklch */ color: oklch(73.2% 0.095 228.9);

Tailwind

colors: {
  custom: {
    50: '#98cae4',
    500: '#63b4d8',
    950: '#000000',
  },
}

SCSS

$custom: #63b4d8;
$custom-light: #98cae4;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4d8",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 216
  },
  "hsl": {
    "h": 198.462,
    "s": 60,
    "l": 61.765
  },
  "oklch": {
    "l": 0.73227,
    "c": 0.09487,
    "h": 228.9
  },
  "luminance": 0.40253
}

Semantic roles & 50–950 ramp

primary

#63B4D8

secondary

#E1C3B6

accent

#521EC8

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B4D8

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

Preview Lab → · Contrast checker → · Palette generator →