#63A8ED#63A8ED

#63A8ED is a light, vivid cyan. Relative luminance 0.368; OKLCH L 71.5% C 0.123 H 249.9°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#63A8ED
RGB	rgb(99, 168, 237)
HSL	hsl(210, 79%, 66%)
HSV	hsv(210, 58%, 93%)
CMYK	cmyk(58.2%, 29.1%, 0%, 7.1%)
CIE-LAB	lab(67.10, -1.78, -41.15)
CIE-LCH	lch(67.10, 41.19, 267.52°)
OKLab	oklab(71.49% -0.0423 -0.1159)
OKLCH	oklch(71.49% 0.123 249.9)
XYZ	xyz(34.4288, 36.7693, 85.3872)
Luminance	0.3677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A8ED #EDA863

analogous

#63EDED #63A8ED #6363ED

triadic

#63A8ED #ED63A8 #A8ED63

tetradic

#63A8ED #ED63ED #EDA863 #63ED63

square

#63A8ED #ED63ED #EDA863 #63ED63

split-complementary

#63A8ED #ED6363 #EDED63

monochromatic

#166BC0 #2C89E7 #63A8ED #9AC7F3 #D1E5FA

Accessibility & contrast

On white

2.51

#63A8ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#63A8ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8ED

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A8ED	#FFFFFF	#000000	##000000
##63A8ED	1.00	2.51	8.35	8.35
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BABF0

Deuteranopia (green-blind)

#799DEC

Tritanopia (blue-blind)

#00B8C0

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63a8ed;
/* rgb */ color: rgb(99, 168, 237);
/* oklch */ color: oklch(71.5% 0.123 249.9);

Tailwind

colors: {
  custom: {
    50: '#99c1f3',
    500: '#63a8ed',
    950: '#000000',
  },
}

SCSS

$custom: #63a8ed;
$custom-light: #99c1f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63a8ed",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 237
  },
  "hsl": {
    "h": 210,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.71494,
    "c": 0.12338,
    "h": 249.9
  },
  "luminance": 0.36772
}

Semantic roles & 50–950 ramp

primary

#63A8ED

secondary

#EDD6BF

accent

#730ADC

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A8ED

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

Preview Lab → · Contrast checker → · Palette generator →