#63BDEF#63BDEF

#63BDEF is a light, moderate cyan. Relative luminance 0.453; OKLCH L 76.2% C 0.112 H 235.2°. Best body text is #000000 at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#63BDEF
RGB	rgb(99, 189, 239)
HSL	hsl(201, 81%, 66%)
HSV	hsv(201, 59%, 94%)
CMYK	cmyk(58.6%, 20.9%, 0%, 6.3%)
CIE-LAB	lab(73.07, -12.65, -32.96)
CIE-LCH	lch(73.07, 35.30, 248.99°)
OKLab	oklab(76.24% -0.0641 -0.0921)
OKLCH	oklch(76.24% 0.112 235.2)
XYZ	xyz(38.9173, 45.2762, 88.3329)
Luminance	0.4528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BDEF #EF9563

analogous

#63EFDB #63BDEF #6377EF

triadic

#63BDEF #EF63BD #BDEF63

tetradic

#63BDEF #DB63EF #EF9563 #77EF63

square

#63BDEF #DB63EF #EF9563 #77EF63

split-complementary

#63BDEF #EF6377 #EFDB63

monochromatic

#1485C4 #2BA6E9 #63BDEF #9BD4F5 #D2ECFA

Accessibility & contrast

On white

2.09

#63BDEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.06

#63BDEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BDEF

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BDEF	#FFFFFF	#000000	##000000
##63BDEF	1.00	2.09	10.06	10.06
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.06	21.00	1.00	1.00
##000000	10.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5BCF1

Deuteranopia (green-blind)

#92ADEE

Tritanopia (blue-blind)

#00CACE

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bdef;
/* rgb */ color: rgb(99, 189, 239);
/* oklch */ color: oklch(76.2% 0.112 235.2);

Tailwind

colors: {
  custom: {
    50: '#9ad0f4',
    500: '#63bdef',
    950: '#000000',
  },
}

SCSS

$custom: #63bdef;
$custom-light: #9ad0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63bdef",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 239
  },
  "hsl": {
    "h": 201.429,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.76238,
    "c": 0.11223,
    "h": 235.2
  },
  "luminance": 0.4528
}

Semantic roles & 50–950 ramp

primary

#63BDEF

secondary

#EED0C0

accent

#5408DE

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BDEF

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

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