#63A4EE#63A4EE

#63A4EE is a light, vivid cyan. Relative luminance 0.354; OKLCH L 70.7% C 0.128 H 252.8°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#63A4EE
RGB	rgb(99, 164, 238)
HSL	hsl(212, 80%, 66%)
HSV	hsv(212, 58%, 93%)
CMYK	cmyk(58.4%, 31.1%, 0%, 6.7%)
CIE-LAB	lab(66.04, 0.79, -43.37)
CIE-LCH	lch(66.04, 43.38, 271.05°)
OKLab	oklab(70.67% -0.0378 -0.1223)
OKLCH	oklch(70.67% 0.128 252.8)
XYZ	xyz(33.8481, 35.3736, 85.9164)
Luminance	0.3538 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4EE #EEAD63

analogous

#63EAEE #63A4EE #6763EE

triadic

#63A4EE #EE63A4 #A4EE63

tetradic

#63A4EE #EE63EA #EEAD63 #63EE67

square

#63A4EE #EE63EA #EEAD63 #63EE67

split-complementary

#63A4EE #EE6763 #EAEE63

monochromatic

#1566C2 #2C84E8 #63A4EE #9AC4F4 #D1E4FA

Accessibility & contrast

On white

2.60

#63A4EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#63A4EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4EE

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4EE	#FFFFFF	#000000	##000000
##63A4EE	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A8F1

Deuteranopia (green-blind)

#739AED

Tritanopia (blue-blind)

#00B5BE

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63a4ee;
/* rgb */ color: rgb(99, 164, 238);
/* oklch */ color: oklch(70.7% 0.128 252.8);

Tailwind

colors: {
  custom: {
    50: '#9abef4',
    500: '#63a4ee',
    950: '#000000',
  },
}

SCSS

$custom: #63a4ee;
$custom-light: #9abef4;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4ee",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 238
  },
  "hsl": {
    "h": 211.942,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.70673,
    "c": 0.12805,
    "h": 252.8
  },
  "luminance": 0.35377
}

Semantic roles & 50–950 ramp

primary

#63A4EE

secondary

#EDD8C0

accent

#7A09DD

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A4EE

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

Preview Lab → · Contrast checker → · Palette generator →