#63A4DB#63A4DB

#63A4DB is a light, moderate cyan. Relative luminance 0.343; OKLCH L 69.8% C 0.105 H 245.6°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#63A4DB
RGB	rgb(99, 164, 219)
HSL	hsl(208, 63%, 62%)
HSV	hsv(208, 55%, 86%)
CMYK	cmyk(54.8%, 25.1%, 0%, 14.1%)
CIE-LAB	lab(65.21, -5.13, -34.21)
CIE-LCH	lch(65.21, 34.59, 261.47°)
OKLab	oklab(69.75% -0.0434 -0.0958)
OKLCH	oklch(69.75% 0.105 245.6)
XYZ	xyz(31.2026, 34.3154, 71.9833)
Luminance	0.3432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4DB #DB9A63

analogous

#63DBD6 #63A4DB #6368DB

triadic

#63A4DB #DB63A4 #A4DB63

tetradic

#63A4DB #D663DB #DB9A63 #68DB63

square

#63A4DB #D663DB #DB9A63 #68DB63

split-complementary

#63A4DB #DB6368 #DBD663

monochromatic

#25679F #3187D0 #63A4DB #95C1E6 #C6DEF2

Accessibility & contrast

On white

2.67

#63A4DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#63A4DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4DB

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4DB	#FFFFFF	#000000	##000000
##63A4DB	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DA5DE

Deuteranopia (green-blind)

#7D99DA

Tritanopia (blue-blind)

#05B1B7

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #63a4db;
/* rgb */ color: rgb(99, 164, 219);
/* oklch */ color: oklch(69.8% 0.105 245.6);

Tailwind

colors: {
  custom: {
    50: '#97bee6',
    500: '#63a4db',
    950: '#000000',
  },
}

SCSS

$custom: #63a4db;
$custom-light: #97bee6;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4db",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 219
  },
  "hsl": {
    "h": 207.5,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.69751,
    "c": 0.10523,
    "h": 245.6
  },
  "luminance": 0.34318
}

Semantic roles & 50–950 ramp

primary

#63A4DB

secondary

#E3CBB7

accent

#6B1BCA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #63A4DB

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

Preview Lab → · Contrast checker → · Palette generator →