#63C2E3#63C2E3

#63C2E3 is a light, moderate cyan. Relative luminance 0.468; OKLCH L 76.9% C 0.101 H 223.3°. Best body text is #000000 at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#63C2E3
RGB	rgb(99, 194, 227)
HSL	hsl(195, 70%, 64%)
HSV	hsv(195, 56%, 89%)
CMYK	cmyk(56.4%, 14.5%, 0%, 11%)
CIE-LAB	lab(74.05, -18.84, -24.97)
CIE-LCH	lch(74.05, 31.28, 232.96°)
OKLab	oklab(76.87% -0.0737 -0.0694)
OKLCH	oklch(76.87% 0.101 223.3)
XYZ	xyz(38.2971, 46.7787, 79.6691)
Luminance	0.4678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C2E3 #E38463

analogous

#63E3C4 #63C2E3 #6382E3

triadic

#63C2E3 #E363C2 #C2E363

tetradic

#63C2E3 #C463E3 #E38463 #82E363

square

#63C2E3 #C463E3 #E38463 #82E363

split-complementary

#63C2E3 #E36382 #E3C463

monochromatic

#1F88AD #2FAEDA #63C2E3 #97D6EC #CBEBF6

Accessibility & contrast

On white

2.03

#63C2E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.36

#63C2E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C2E3

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C2E3	#FFFFFF	#000000	##000000
##63C2E3	1.00	2.03	10.36	10.36
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.36	21.00	1.00	1.00
##000000	10.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFBEE5

Deuteranopia (green-blind)

#9DB0E3

Tritanopia (blue-blind)

#00CCCC

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #63c2e3;
/* rgb */ color: rgb(99, 194, 227);
/* oklch */ color: oklch(76.9% 0.101 223.3);

Tailwind

colors: {
  custom: {
    50: '#99d4eb',
    500: '#63c2e3',
    950: '#000000',
  },
}

SCSS

$custom: #63c2e3;
$custom-light: #99d4eb;
$custom-dark: #000000;

JSON

{
  "hex": "#63c2e3",
  "rgb": {
    "r": 99,
    "g": 194,
    "b": 227
  },
  "hsl": {
    "h": 195.469,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.76867,
    "c": 0.1012,
    "h": 223.3
  },
  "luminance": 0.46782
}

Semantic roles & 50–950 ramp

primary

#63C2E3

secondary

#E7C6BA

accent

#4514D2

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C2E3

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

Preview Lab → · Contrast checker → · Palette generator →