#63A0EF#63A0EF

#63A0EF is a light, vivid cyan. Relative luminance 0.340; OKLCH L 69.9% C 0.133 H 255.5°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#63A0EF
RGB	rgb(99, 160, 239)
HSL	hsl(214, 81%, 66%)
HSV	hsv(214, 59%, 94%)
CMYK	cmyk(58.6%, 33.1%, 0%, 6.3%)
CIE-LAB	lab(64.98, 3.39, -45.58)
CIE-LCH	lch(64.98, 45.71, 274.26°)
OKLab	oklab(69.86% -0.0333 -0.1288)
OKLCH	oklch(69.86% 0.133 255.5)
XYZ	xyz(33.2909, 34.0233, 86.4574)
Luminance	0.3403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A0EF #EFB263

analogous

#63E6EF #63A0EF #6C63EF

triadic

#63A0EF #EF63A0 #A0EF63

tetradic

#63A0EF #EF63E6 #EFB263 #63EF6C

square

#63A0EF #EF63E6 #EFB263 #63EF6C

split-complementary

#63A0EF #EF6C63 #E6EF63

monochromatic

#1461C4 #2B7EE9 #63A0EF #9BC2F5 #D2E4FA

Accessibility & contrast

On white

2.69

#63A0EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#63A0EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A0EF

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A0EF	#FFFFFF	#000000	##000000
##63A0EF	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA5F2

Deuteranopia (green-blind)

#6D98ED

Tritanopia (blue-blind)

#00B2BD

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #63a0ef;
/* rgb */ color: rgb(99, 160, 239);
/* oklch */ color: oklch(69.9% 0.133 255.5);

Tailwind

colors: {
  custom: {
    50: '#9abbf4',
    500: '#63a0ef',
    950: '#000000',
  },
}

SCSS

$custom: #63a0ef;
$custom-light: #9abbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#63a0ef",
  "rgb": {
    "r": 99,
    "g": 160,
    "b": 239
  },
  "hsl": {
    "h": 213.857,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.6986,
    "c": 0.13304,
    "h": 255.5
  },
  "luminance": 0.34026
}

Semantic roles & 50–950 ramp

primary

#63A0EF

secondary

#EEDAC0

accent

#8108DE

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #63A0EF

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

Preview Lab → · Contrast checker → · Palette generator →