#63A4E4#63A4E4

#63A4E4 is a light, moderate cyan. Relative luminance 0.348; OKLCH L 70.2% C 0.116 H 249.4°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#63A4E4
RGB	rgb(99, 164, 228)
HSL	hsl(210, 70%, 64%)
HSV	hsv(210, 57%, 89%)
CMYK	cmyk(56.6%, 28.1%, 0%, 10.6%)
CIE-LAB	lab(65.59, -2.35, -38.57)
CIE-LCH	lch(65.59, 38.65, 266.51°)
OKLab	oklab(70.18% -0.0407 -0.1084)
OKLCH	oklch(70.18% 0.116 249.4)
XYZ	xyz(32.4196, 34.8022, 78.3928)
Luminance	0.3481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4E4 #E4A363

analogous

#63E4E3 #63A4E4 #6364E4

triadic

#63A4E4 #E463A4 #A4E463

tetradic

#63A4E4 #E363E4 #E4A363 #64E463

square

#63A4E4 #E363E4 #E4A363 #64E463

split-complementary

#63A4E4 #E46364 #E4E363

monochromatic

#1E67AE #2F86DB #63A4E4 #97C2ED #CBE1F6

Accessibility & contrast

On white

2.64

#63A4E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.96

#63A4E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4E4

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4E4	#FFFFFF	#000000	##000000
##63A4E4	1.00	2.64	7.96	7.96
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.96	21.00	1.00	1.00
##000000	7.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89A6E7

Deuteranopia (green-blind)

#789AE3

Tritanopia (blue-blind)

#00B3BA

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63a4e4;
/* rgb */ color: rgb(99, 164, 228);
/* oklch */ color: oklch(70.2% 0.116 249.4);

Tailwind

colors: {
  custom: {
    50: '#98beec',
    500: '#63a4e4',
    950: '#000000',
  },
}

SCSS

$custom: #63a4e4;
$custom-light: #98beec;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4e4",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 228
  },
  "hsl": {
    "h": 209.767,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.70178,
    "c": 0.11582,
    "h": 249.4
  },
  "luminance": 0.34805
}

Semantic roles & 50–950 ramp

primary

#63A4E4

secondary

#E8D1BB

accent

#7213D3

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63A4E4

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

Preview Lab → · Contrast checker → · Palette generator →