#63A4E8#63A4E8

#63A4E8 is a light, vivid cyan. Relative luminance 0.350; OKLCH L 70.4% C 0.121 H 250.9°. Best body text is #000000 at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#63A4E8
RGB	rgb(99, 164, 232)
HSL	hsl(211, 74%, 65%)
HSV	hsv(211, 57%, 91%)
CMYK	cmyk(57.3%, 29.3%, 0%, 9%)
CIE-LAB	lab(65.77, -1.10, -40.50)
CIE-LCH	lch(65.77, 40.51, 268.44°)
OKLab	oklab(70.37% -0.0395 -0.114)
OKLCH	oklch(70.37% 0.121 250.9)
XYZ	xyz(32.9813, 35.0269, 81.3511)
Luminance	0.3503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4E8 #E8A763

analogous

#63E6E8 #63A4E8 #6563E8

triadic

#63A4E8 #E863A4 #A4E863

tetradic

#63A4E8 #E863E6 #E8A763 #63E865

square

#63A4E8 #E863E6 #E8A763 #63E865

split-complementary

#63A4E8 #E86563 #E6E863

monochromatic

#1B67B6 #2E85E0 #63A4E8 #98C3F0 #CEE2F8

Accessibility & contrast

On white

2.62

#63A4E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.01

#63A4E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4E8

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4E8	#FFFFFF	#000000	##000000
##63A4E8	1.00	2.62	8.01	8.01
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.01	21.00	1.00	1.00
##000000	8.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A7EB

Deuteranopia (green-blind)

#769AE7

Tritanopia (blue-blind)

#00B4BC

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63a4e8;
/* rgb */ color: rgb(99, 164, 232);
/* oklch */ color: oklch(70.4% 0.121 250.9);

Tailwind

colors: {
  custom: {
    50: '#99beef',
    500: '#63a4e8',
    950: '#000000',
  },
}

SCSS

$custom: #63a4e8;
$custom-light: #99beef;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4e8",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 232
  },
  "hsl": {
    "h": 210.677,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.70373,
    "c": 0.12067,
    "h": 250.9
  },
  "luminance": 0.3503
}

Semantic roles & 50–950 ramp

primary

#63A4E8

secondary

#EAD4BD

accent

#750FD6

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63A4E8

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

Preview Lab → · Contrast checker → · Palette generator →