#63B3E1#63B3E1

#63B3E1 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.4% C 0.103 H 235.8°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#63B3E1
RGB	rgb(99, 179, 225)
HSL	hsl(202, 68%, 64%)
HSV	hsv(202, 56%, 88%)
CMYK	cmyk(56%, 20.4%, 0%, 11.8%)
CIE-LAB	lab(69.70, -11.53, -30.55)
CIE-LCH	lch(69.70, 32.66, 249.33°)
OKLab	oklab(73.38% -0.0581 -0.0853)
OKLCH	oklch(73.38% 0.103 235.8)
XYZ	xyz(34.8512, 40.3260, 77.1666)
Luminance	0.4033 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B3E1 #E19163

analogous

#63E1D0 #63B3E1 #6374E1

triadic

#63B3E1 #E163B3 #B3E163

tetradic

#63B3E1 #D063E1 #E19163 #74E163

square

#63B3E1 #D063E1 #E19163 #74E163

split-complementary

#63B3E1 #E16374 #E1D063

monochromatic

#2177A9 #309AD7 #63B3E1 #96CCEB #CAE5F5

Accessibility & contrast

On white

2.32

#63B3E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#63B3E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B3E1

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B3E1	#FFFFFF	#000000	##000000
##63B3E1	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB2E3

Deuteranopia (green-blind)

#8CA5E0

Tritanopia (blue-blind)

#00BFC2

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63b3e1;
/* rgb */ color: rgb(99, 179, 225);
/* oklch */ color: oklch(73.4% 0.103 235.8);

Tailwind

colors: {
  custom: {
    50: '#98c9ea',
    500: '#63b3e1',
    950: '#000000',
  },
}

SCSS

$custom: #63b3e1;
$custom-light: #98c9ea;
$custom-dark: #000000;

JSON

{
  "hex": "#63b3e1",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 225
  },
  "hsl": {
    "h": 201.905,
    "s": 67.742,
    "l": 63.529
  },
  "oklch": {
    "l": 0.73382,
    "c": 0.10319,
    "h": 235.8
  },
  "luminance": 0.40329
}

Semantic roles & 50–950 ramp

primary

#63B3E1

secondary

#E6CABA

accent

#5A16D0

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63B3E1

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

Preview Lab → · Contrast checker → · Palette generator →