#63A3E8#63A3E8

#63A3E8 is a light, vivid cyan. Relative luminance 0.347; OKLCH L 70.2% C 0.122 H 251.6°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#63A3E8
RGB	rgb(99, 163, 232)
HSL	hsl(211, 74%, 65%)
HSV	hsv(211, 57%, 91%)
CMYK	cmyk(57.3%, 29.7%, 0%, 9%)
CIE-LAB	lab(65.49, -0.53, -40.93)
CIE-LCH	lch(65.49, 40.94, 269.25°)
OKLab	oklab(70.16% -0.0384 -0.1153)
OKLCH	oklch(70.16% 0.122 251.6)
XYZ	xyz(32.8031, 34.6704, 81.2917)
Luminance	0.3467 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3E8 #E8A863

analogous

#63E5E8 #63A3E8 #6663E8

triadic

#63A3E8 #E863A3 #A3E863

tetradic

#63A3E8 #E863E5 #E8A863 #63E866

square

#63A3E8 #E863E5 #E8A863 #63E866

split-complementary

#63A3E8 #E86663 #E5E863

monochromatic

#1B65B6 #2E84E0 #63A3E8 #98C2F0 #CEE2F8

Accessibility & contrast

On white

2.65

#63A3E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#63A3E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3E8

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3E8	#FFFFFF	#000000	##000000
##63A3E8	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A6EB

Deuteranopia (green-blind)

#7599E7

Tritanopia (blue-blind)

#00B3BB

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #63a3e8;
/* rgb */ color: rgb(99, 163, 232);
/* oklch */ color: oklch(70.2% 0.122 251.6);

Tailwind

colors: {
  custom: {
    50: '#99beef',
    500: '#63a3e8',
    950: '#000000',
  },
}

SCSS

$custom: #63a3e8;
$custom-light: #99beef;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3e8",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 232
  },
  "hsl": {
    "h": 211.128,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.70155,
    "c": 0.12152,
    "h": 251.6
  },
  "luminance": 0.34673
}

Semantic roles & 50–950 ramp

primary

#63A3E8

secondary

#EAD4BD

accent

#760FD6

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63A3E8

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

Preview Lab → · Contrast checker → · Palette generator →