#63C1E2#63C1E2

#63C1E2 is a light, moderate cyan. Relative luminance 0.463; OKLCH L 76.6% C 0.101 H 223.5°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#63C1E2
RGB	rgb(99, 193, 226)
HSL	hsl(196, 69%, 64%)
HSV	hsv(196, 56%, 89%)
CMYK	cmyk(56.2%, 14.6%, 0%, 11.4%)
CIE-LAB	lab(73.73, -18.61, -24.92)
CIE-LCH	lch(73.73, 31.10, 233.24°)
OKLab	oklab(76.6% -0.073 -0.0692)
OKLCH	oklch(76.6% 0.101 223.5)
XYZ	xyz(37.9377, 46.2800, 78.8704)
Luminance	0.4628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C1E2 #E28463

analogous

#63E2C4 #63C1E2 #6381E2

triadic

#63C1E2 #E263C1 #C1E263

tetradic

#63C1E2 #C463E2 #E28463 #81E263

square

#63C1E2 #C463E2 #E28463 #81E263

split-complementary

#63C1E2 #E26381 #E2C463

monochromatic

#2087AB #2FACD8 #63C1E2 #97D6EC #CAEAF5

Accessibility & contrast

On white

2.05

#63C1E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.26

#63C1E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C1E2

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C1E2	#FFFFFF	#000000	##000000
##63C1E2	1.00	2.05	10.26	10.26
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.26	21.00	1.00	1.00
##000000	10.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEBDE4

Deuteranopia (green-blind)

#9CAFE2

Tritanopia (blue-blind)

#00CBCB

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63c1e2;
/* rgb */ color: rgb(99, 193, 226);
/* oklch */ color: oklch(76.6% 0.101 223.5);

Tailwind

colors: {
  custom: {
    50: '#99d3eb',
    500: '#63c1e2',
    950: '#000000',
  },
}

SCSS

$custom: #63c1e2;
$custom-light: #99d3eb;
$custom-dark: #000000;

JSON

{
  "hex": "#63c1e2",
  "rgb": {
    "r": 99,
    "g": 193,
    "b": 226
  },
  "hsl": {
    "h": 195.591,
    "s": 68.649,
    "l": 63.725
  },
  "oklch": {
    "l": 0.76599,
    "c": 0.10058,
    "h": 223.5
  },
  "luminance": 0.46284
}

Semantic roles & 50–950 ramp

primary

#63C1E2

secondary

#E7C6BA

accent

#4615D1

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63C1E2

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

Preview Lab → · Contrast checker → · Palette generator →