#63B7DC#63B7DC

#63B7DC is a light, moderate cyan. Relative luminance 0.417; OKLCH L 74.1% C 0.098 H 228.8°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#63B7DC
RGB	rgb(99, 183, 220)
HSL	hsl(198, 63%, 63%)
HSV	hsv(198, 55%, 86%)
CMYK	cmyk(55%, 16.8%, 0%, 13.7%)
CIE-LAB	lab(70.65, -15.15, -26.36)
CIE-LCH	lch(70.65, 30.40, 240.12°)
OKLab	oklab(74.08% -0.0642 -0.0733)
OKLCH	oklch(74.08% 0.098 228.8)
XYZ	xyz(34.9924, 41.6838, 73.8980)
Luminance	0.4169 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B7DC #DC8863

analogous

#63DCC4 #63B7DC #637BDC

triadic

#63B7DC #DC63B7 #B7DC63

tetradic

#63B7DC #C463DC #DC8863 #7BDC63

square

#63B7DC #C463DC #DC8863 #7BDC63

split-complementary

#63B7DC #DC637B #DCC463

monochromatic

#247AA1 #31A0D1 #63B7DC #95CEE7 #C7E5F2

Accessibility & contrast

On white

2.25

#63B7DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#63B7DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B7DC

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B7DC	#FFFFFF	#000000	##000000
##63B7DC	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B4DE

Deuteranopia (green-blind)

#93A7DC

Tritanopia (blue-blind)

#00C2C3

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #63b7dc;
/* rgb */ color: rgb(99, 183, 220);
/* oklch */ color: oklch(74.1% 0.098 228.8);

Tailwind

colors: {
  custom: {
    50: '#98cce7',
    500: '#63b7dc',
    950: '#000000',
  },
}

SCSS

$custom: #63b7dc;
$custom-light: #98cce7;
$custom-dark: #000000;

JSON

{
  "hex": "#63b7dc",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 220
  },
  "hsl": {
    "h": 198.347,
    "s": 63.351,
    "l": 62.549
  },
  "oklch": {
    "l": 0.74076,
    "c": 0.0975,
    "h": 228.8
  },
  "luminance": 0.41687
}

Semantic roles & 50–950 ramp

primary

#63B7DC

secondary

#E3C5B7

accent

#501ACB

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #63B7DC

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

Preview Lab → · Contrast checker → · Palette generator →