#63B4E2#63B4E2

#63B4E2 is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.7% C 0.104 H 235.5°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#63B4E2
RGB	rgb(99, 180, 226)
HSL	hsl(202, 69%, 64%)
HSV	hsv(202, 56%, 89%)
CMYK	cmyk(56.2%, 20.4%, 0%, 11.4%)
CIE-LAB	lab(70.02, -11.76, -30.60)
CIE-LCH	lch(70.02, 32.79, 248.97°)
OKLab	oklab(73.65% -0.0588 -0.0854)
OKLCH	oklch(73.65% 0.104 235.5)
XYZ	xyz(35.1892, 40.7830, 77.9542)
Luminance	0.4079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4E2 #E29163

analogous

#63E2D0 #63B4E2 #6374E2

triadic

#63B4E2 #E263B4 #B4E263

tetradic

#63B4E2 #D063E2 #E29163 #74E263

square

#63B4E2 #D063E2 #E29163 #74E263

split-complementary

#63B4E2 #E26374 #E2D063

monochromatic

#2078AB #2F9BD8 #63B4E2 #97CDEC #CAE6F5

Accessibility & contrast

On white

2.29

#63B4E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#63B4E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4E2

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4E2	#FFFFFF	#000000	##000000
##63B4E2	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB3E4

Deuteranopia (green-blind)

#8DA5E1

Tritanopia (blue-blind)

#00C0C3

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63b4e2;
/* rgb */ color: rgb(99, 180, 226);
/* oklch */ color: oklch(73.7% 0.104 235.5);

Tailwind

colors: {
  custom: {
    50: '#99caeb',
    500: '#63b4e2',
    950: '#000000',
  },
}

SCSS

$custom: #63b4e2;
$custom-light: #99caeb;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4e2",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 226
  },
  "hsl": {
    "h": 201.732,
    "s": 68.649,
    "l": 63.725
  },
  "oklch": {
    "l": 0.73651,
    "c": 0.10373,
    "h": 235.5
  },
  "luminance": 0.40786
}

Semantic roles & 50–950 ramp

primary

#63B4E2

secondary

#E7CABA

accent

#5915D1

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63B4E2

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

Preview Lab → · Contrast checker → · Palette generator →