#63A7EC#63A7EC

#63A7EC is a light, vivid cyan. Relative luminance 0.363; OKLCH L 71.2% C 0.123 H 250.2°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#63A7EC
RGB	rgb(99, 167, 236)
HSL	hsl(210, 78%, 66%)
HSV	hsv(210, 58%, 93%)
CMYK	cmyk(58.1%, 29.2%, 0%, 7.5%)
CIE-LAB	lab(66.78, -1.54, -41.11)
CIE-LCH	lch(66.78, 41.14, 267.86°)
OKLab	oklab(71.23% -0.0416 -0.1158)
OKLCH	oklch(71.23% 0.123 250.2)
XYZ	xyz(34.0992, 36.3432, 84.5586)
Luminance	0.3635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A7EC #ECA863

analogous

#63ECEC #63A7EC #6363EC

triadic

#63A7EC #EC63A7 #A7EC63

tetradic

#63A7EC #EC63EC #ECA863 #63EC63

square

#63A7EC #EC63EC #ECA863 #63EC63

split-complementary

#63A7EC #EC6363 #ECEC63

monochromatic

#176ABE #2C88E5 #63A7EC #9AC6F3 #D0E5F9

Accessibility & contrast

On white

2.54

#63A7EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.27

#63A7EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A7EC

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A7EC	#FFFFFF	#000000	##000000
##63A7EC	1.00	2.54	8.27	8.27
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.27	21.00	1.00	1.00
##000000	8.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AAAEF

Deuteranopia (green-blind)

#789CEB

Tritanopia (blue-blind)

#00B7BF

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a7ec;
/* rgb */ color: rgb(99, 167, 236);
/* oklch */ color: oklch(71.2% 0.123 250.2);

Tailwind

colors: {
  custom: {
    50: '#99c0f2',
    500: '#63a7ec',
    950: '#000000',
  },
}

SCSS

$custom: #63a7ec;
$custom-light: #99c0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#63a7ec",
  "rgb": {
    "r": 99,
    "g": 167,
    "b": 236
  },
  "hsl": {
    "h": 210.219,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.71226,
    "c": 0.123,
    "h": 250.2
  },
  "luminance": 0.36346
}

Semantic roles & 50–950 ramp

primary

#63A7EC

secondary

#ECD6BF

accent

#740BDB

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A7EC

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

Preview Lab → · Contrast checker → · Palette generator →