#63B2EE#63B2EE

#63B2EE is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.7% C 0.117 H 243.3°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#63B2EE
RGB	rgb(99, 178, 238)
HSL	hsl(206, 80%, 66%)
HSV	hsv(206, 58%, 93%)
CMYK	cmyk(58.4%, 25.2%, 0%, 6.7%)
CIE-LAB	lab(69.94, -7.02, -37.27)
CIE-LCH	lch(69.94, 37.93, 259.33°)
OKLab	oklab(73.74% -0.0527 -0.1046)
OKLCH	oklch(73.74% 0.117 243.3)
XYZ	xyz(36.4929, 40.6631, 86.7980)
Luminance	0.4067 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2EE #EE9F63

analogous

#63EEE4 #63B2EE #636CEE

triadic

#63B2EE #EE63B2 #B2EE63

tetradic

#63B2EE #E463EE #EE9F63 #6CEE63

square

#63B2EE #E463EE #EE9F63 #6CEE63

split-complementary

#63B2EE #EE636C #EEE463

monochromatic

#1577C2 #2C97E8 #63B2EE #9ACDF4 #D1E8FA

Accessibility & contrast

On white

2.30

#63B2EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#63B2EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2EE

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2EE	#FFFFFF	#000000	##000000
##63B2EE	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B3F1

Deuteranopia (green-blind)

#85A5ED

Tritanopia (blue-blind)

#00C1C7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63b2ee;
/* rgb */ color: rgb(99, 178, 238);
/* oklch */ color: oklch(73.7% 0.117 243.3);

Tailwind

colors: {
  custom: {
    50: '#9ac8f3',
    500: '#63b2ee',
    950: '#000000',
  },
}

SCSS

$custom: #63b2ee;
$custom-light: #9ac8f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2ee",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 238
  },
  "hsl": {
    "h": 205.899,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.73742,
    "c": 0.11713,
    "h": 243.3
  },
  "luminance": 0.40666
}

Semantic roles & 50–950 ramp

primary

#63B2EE

secondary

#EDD3C0

accent

#6409DD

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B2EE

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

Preview Lab → · Contrast checker → · Palette generator →