#63C0E2#63C0E2

#63C0E2 is a light, moderate cyan. Relative luminance 0.458; OKLCH L 76.4% C 0.101 H 224.4°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#63C0E2
RGB	rgb(99, 192, 226)
HSL	hsl(196, 69%, 64%)
HSV	hsv(196, 56%, 89%)
CMYK	cmyk(56.2%, 15%, 0%, 11.4%)
CIE-LAB	lab(73.44, -18.10, -25.35)
CIE-LCH	lch(73.44, 31.15, 234.48°)
OKLab	oklab(76.37% -0.0719 -0.0705)
OKLCH	oklch(76.37% 0.101 224.4)
XYZ	xyz(37.7174, 45.8394, 78.7970)
Luminance	0.4584 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C0E2 #E28563

analogous

#63E2C4 #63C0E2 #6380E2

triadic

#63C0E2 #E263C0 #C0E263

tetradic

#63C0E2 #C463E2 #E28563 #80E263

square

#63C0E2 #C463E2 #E28563 #80E263

split-complementary

#63C0E2 #E26380 #E2C463

monochromatic

#2086AB #2FABD8 #63C0E2 #97D5EC #CAEAF5

Accessibility & contrast

On white

2.07

#63C0E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#63C0E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C0E2

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C0E2	#FFFFFF	#000000	##000000
##63C0E2	1.00	2.07	10.17	10.17
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBCE4

Deuteranopia (green-blind)

#9BAEE2

Tritanopia (blue-blind)

#00CACB

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63c0e2;
/* rgb */ color: rgb(99, 192, 226);
/* oklch */ color: oklch(76.4% 0.101 224.4);

Tailwind

colors: {
  custom: {
    50: '#99d3eb',
    500: '#63c0e2',
    950: '#000000',
  },
}

SCSS

$custom: #63c0e2;
$custom-light: #99d3eb;
$custom-dark: #000000;

JSON

{
  "hex": "#63c0e2",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 226
  },
  "hsl": {
    "h": 196.063,
    "s": 68.649,
    "l": 63.725
  },
  "oklch": {
    "l": 0.76371,
    "c": 0.10066,
    "h": 224.4
  },
  "luminance": 0.45843
}

Semantic roles & 50–950 ramp

primary

#63C0E2

secondary

#E7C6BA

accent

#4715D1

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63C0E2

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

Preview Lab → · Contrast checker → · Palette generator →