#63B4D9#63B4D9

#63B4D9 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.3% C 0.096 H 229.6°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#63B4D9
RGB	rgb(99, 180, 217)
HSL	hsl(199, 61%, 62%)
HSV	hsv(199, 54%, 85%)
CMYK	cmyk(54.4%, 17.1%, 0%, 14.9%)
CIE-LAB	lab(69.68, -14.44, -26.20)
CIE-LCH	lch(69.68, 29.92, 241.15°)
OKLab	oklab(73.27% -0.062 -0.0729)
OKLCH	oklch(73.27% 0.096 229.6)
XYZ	xyz(33.9865, 40.3019, 71.6202)
Luminance	0.4031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4D9 #D98863

analogous

#63D9C3 #63B4D9 #6379D9

triadic

#63B4D9 #D963B4 #B4D963

tetradic

#63B4D9 #C363D9 #D98863 #79D963

square

#63B4D9 #C363D9 #D98863 #79D963

split-complementary

#63B4D9 #D96379 #D9C363

monochromatic

#26779C #329CCD #63B4D9 #94CCE5 #C5E3F1

Accessibility & contrast

On white

2.32

#63B4D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#63B4D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4D9

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4D9	#FFFFFF	#000000	##000000
##63B4D9	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B1DB

Deuteranopia (green-blind)

#90A5D9

Tritanopia (blue-blind)

#00BEC0

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63b4d9;
/* rgb */ color: rgb(99, 180, 217);
/* oklch */ color: oklch(73.3% 0.096 229.6);

Tailwind

colors: {
  custom: {
    50: '#98cae4',
    500: '#63b4d9',
    950: '#000000',
  },
}

SCSS

$custom: #63b4d9;
$custom-light: #98cae4;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4d9",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 217
  },
  "hsl": {
    "h": 198.814,
    "s": 60.825,
    "l": 61.961
  },
  "oklch": {
    "l": 0.73268,
    "c": 0.0957,
    "h": 229.6
  },
  "luminance": 0.40305
}

Semantic roles & 50–950 ramp

primary

#63B4D9

secondary

#E2C4B6

accent

#531DC9

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B4D9

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

Preview Lab → · Contrast checker → · Palette generator →