#63A0EC#63A0EC

#63A0EC is a light, vivid cyan. Relative luminance 0.339; OKLCH L 69.7% C 0.129 H 254.7°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#63A0EC
RGB	rgb(99, 160, 236)
HSL	hsl(213, 78%, 66%)
HSV	hsv(213, 58%, 93%)
CMYK	cmyk(58.1%, 32.2%, 0%, 7.5%)
CIE-LAB	lab(64.84, 2.44, -44.15)
CIE-LCH	lch(64.84, 44.22, 273.16°)
OKLab	oklab(69.71% -0.0341 -0.1246)
OKLCH	oklch(69.71% 0.129 254.7)
XYZ	xyz(32.8513, 33.8475, 84.1426)
Luminance	0.3385 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A0EC #ECAF63

analogous

#63E4EC #63A0EC #6A63EC

triadic

#63A0EC #EC63A0 #A0EC63

tetradic

#63A0EC #EC63E4 #ECAF63 #63EC6A

square

#63A0EC #EC63E4 #ECAF63 #63EC6A

split-complementary

#63A0EC #EC6A63 #E4EC63

monochromatic

#1761BE #2C7FE5 #63A0EC #9AC1F3 #D0E2F9

Accessibility & contrast

On white

2.70

#63A0EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#63A0EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A0EC

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A0EC	#FFFFFF	#000000	##000000
##63A0EC	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A5EF

Deuteranopia (green-blind)

#6E97EA

Tritanopia (blue-blind)

#00B1BB

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #63a0ec;
/* rgb */ color: rgb(99, 160, 236);
/* oklch */ color: oklch(69.7% 0.129 254.7);

Tailwind

colors: {
  custom: {
    50: '#99bbf2',
    500: '#63a0ec',
    950: '#000000',
  },
}

SCSS

$custom: #63a0ec;
$custom-light: #99bbf2;
$custom-dark: #000000;

JSON

{
  "hex": "#63a0ec",
  "rgb": {
    "r": 99,
    "g": 160,
    "b": 236
  },
  "hsl": {
    "h": 213.285,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.69705,
    "c": 0.12923,
    "h": 254.7
  },
  "luminance": 0.3385
}

Semantic roles & 50–950 ramp

primary

#63A0EC

secondary

#ECD8BF

accent

#7E0BDB

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #63A0EC

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

Preview Lab → · Contrast checker → · Palette generator →