#63ACEC#63ACEC

#63ACEC is a light, moderate cyan. Relative luminance 0.382; OKLCH L 72.3% C 0.119 H 246.8°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#63ACEC
RGB	rgb(99, 172, 236)
HSL	hsl(208, 78%, 66%)
HSV	hsv(208, 58%, 93%)
CMYK	cmyk(58.1%, 27.1%, 0%, 7.5%)
CIE-LAB	lab(68.18, -4.33, -38.93)
CIE-LCH	lch(68.18, 39.17, 263.65°)
OKLab	oklab(72.32% -0.0469 -0.1094)
OKLCH	oklch(72.32% 0.119 246.8)
XYZ	xyz(35.0329, 38.2107, 84.8698)
Luminance	0.3821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACEC #ECA363

analogous

#63ECE7 #63ACEC #6367EC

triadic

#63ACEC #EC63AC #ACEC63

tetradic

#63ACEC #E763EC #ECA363 #67EC63

square

#63ACEC #E763EC #ECA363 #67EC63

split-complementary

#63ACEC #EC6367 #ECE763

monochromatic

#1770BE #2C8FE5 #63ACEC #9AC9F3 #D0E6F9

Accessibility & contrast

On white

2.43

#63ACEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#63ACEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACEC

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACEC	#FFFFFF	#000000	##000000
##63ACEC	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91AEEF

Deuteranopia (green-blind)

#7EA0EB

Tritanopia (blue-blind)

#00BBC2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63acec;
/* rgb */ color: rgb(99, 172, 236);
/* oklch */ color: oklch(72.3% 0.119 246.8);

Tailwind

colors: {
  custom: {
    50: '#99c4f2',
    500: '#63acec',
    950: '#000000',
  },
}

SCSS

$custom: #63acec;
$custom-light: #99c4f2;
$custom-dark: #000000;

JSON

{
  "hex": "#63acec",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 236
  },
  "hsl": {
    "h": 208.029,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.72323,
    "c": 0.11906,
    "h": 246.8
  },
  "luminance": 0.38214
}

Semantic roles & 50–950 ramp

primary

#63ACEC

secondary

#ECD4BF

accent

#6C0BDB

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63ACEC

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

Preview Lab → · Contrast checker → · Palette generator →