#63BBEE#63BBEE

#63BBEE is a light, moderate cyan. Relative luminance 0.444; OKLCH L 75.7% C 0.112 H 236.3°. Best body text is #000000 at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#63BBEE
RGB	rgb(99, 187, 238)
HSL	hsl(202, 80%, 66%)
HSV	hsv(202, 58%, 93%)
CMYK	cmyk(58.4%, 21.4%, 0%, 6.7%)
CIE-LAB	lab(72.47, -11.89, -33.35)
CIE-LCH	lch(72.47, 35.40, 250.37°)
OKLab	oklab(75.75% -0.0623 -0.0933)
OKLCH	oklch(75.75% 0.112 236.3)
XYZ	xyz(38.3427, 44.3627, 87.4146)
Luminance	0.4437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BBEE #EE9663

analogous

#63EEDB #63BBEE #6375EE

triadic

#63BBEE #EE63BB #BBEE63

tetradic

#63BBEE #DB63EE #EE9663 #75EE63

square

#63BBEE #DB63EE #EE9663 #75EE63

split-complementary

#63BBEE #EE6375 #EEDB63

monochromatic

#1582C2 #2CA3E8 #63BBEE #9AD3F4 #D1EBFA

Accessibility & contrast

On white

2.13

#63BBEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.87

#63BBEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBEE

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BBEE	#FFFFFF	#000000	##000000
##63BBEE	1.00	2.13	9.87	9.87
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.87	21.00	1.00	1.00
##000000	9.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3BAF0

Deuteranopia (green-blind)

#90ABED

Tritanopia (blue-blind)

#00C8CC

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #63bbee;
/* rgb */ color: rgb(99, 187, 238);
/* oklch */ color: oklch(75.7% 0.112 236.3);

Tailwind

colors: {
  custom: {
    50: '#9acff3',
    500: '#63bbee',
    950: '#000000',
  },
}

SCSS

$custom: #63bbee;
$custom-light: #9acff3;
$custom-dark: #000000;

JSON

{
  "hex": "#63bbee",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 238
  },
  "hsl": {
    "h": 202.014,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.75747,
    "c": 0.11215,
    "h": 236.3
  },
  "luminance": 0.44366
}

Semantic roles & 50–950 ramp

primary

#63BBEE

secondary

#EDD0C0

accent

#5709DD

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63BBEE

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

Preview Lab → · Contrast checker → · Palette generator →