#63ACE3#63ACE3

#63ACE3 is a light, moderate cyan. Relative luminance 0.377; OKLCH L 71.9% C 0.109 H 242.8°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#63ACE3
RGB	rgb(99, 172, 227)
HSL	hsl(206, 70%, 64%)
HSV	hsv(206, 56%, 89%)
CMYK	cmyk(56.4%, 24.2%, 0%, 11%)
CIE-LAB	lab(67.80, -7.11, -34.59)
CIE-LCH	lch(67.80, 35.31, 258.38°)
OKLab	oklab(71.9% -0.0497 -0.0969)
OKLCH	oklch(71.9% 0.109 242.8)
XYZ	xyz(33.7582, 37.7008, 78.1561)
Luminance	0.3770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACE3 #E39A63

analogous

#63E3DA #63ACE3 #636CE3

triadic

#63ACE3 #E363AC #ACE363

tetradic

#63ACE3 #DA63E3 #E39A63 #6CE363

square

#63ACE3 #DA63E3 #E39A63 #6CE363

split-complementary

#63ACE3 #E3636C #E3DA63

monochromatic

#1F70AD #2F90DA #63ACE3 #97C8EC #CBE3F6

Accessibility & contrast

On white

2.46

#63ACE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.54

#63ACE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACE3

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACE3	#FFFFFF	#000000	##000000
##63ACE3	1.00	2.46	8.54	8.54
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.54	21.00	1.00	1.00
##000000	8.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94ACE6

Deuteranopia (green-blind)

#839FE2

Tritanopia (blue-blind)

#00B9BF

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63ace3;
/* rgb */ color: rgb(99, 172, 227);
/* oklch */ color: oklch(71.9% 0.109 242.8);

Tailwind

colors: {
  custom: {
    50: '#98c4ec',
    500: '#63ace3',
    950: '#000000',
  },
}

SCSS

$custom: #63ace3;
$custom-light: #98c4ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63ace3",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 227
  },
  "hsl": {
    "h": 205.781,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.71902,
    "c": 0.10893,
    "h": 242.8
  },
  "luminance": 0.37704
}

Semantic roles & 50–950 ramp

primary

#63ACE3

secondary

#E7CEBA

accent

#6514D2

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63ACE3

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

Preview Lab → · Contrast checker → · Palette generator →