#63BFE3#63BFE3

#63BFE3 is a light, moderate cyan. Relative luminance 0.455; OKLCH L 76.2% C 0.102 H 226.1°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#63BFE3
RGB	rgb(99, 191, 227)
HSL	hsl(197, 70%, 64%)
HSV	hsv(197, 56%, 89%)
CMYK	cmyk(56.4%, 15.9%, 0%, 11%)
CIE-LAB	lab(73.19, -17.28, -26.28)
CIE-LCH	lch(73.19, 31.45, 236.66°)
OKLab	oklab(76.18% -0.0704 -0.0731)
OKLCH	oklch(76.18% 0.102 226.1)
XYZ	xyz(37.6362, 45.4568, 79.4488)
Luminance	0.4546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFE3 #E38763

analogous

#63E3C7 #63BFE3 #637FE3

triadic

#63BFE3 #E363BF #BFE363

tetradic

#63BFE3 #C763E3 #E38763 #7FE363

square

#63BFE3 #C763E3 #E38763 #7FE363

split-complementary

#63BFE3 #E3637F #E3C763

monochromatic

#1F85AD #2FAADA #63BFE3 #97D4EC #CBEAF6

Accessibility & contrast

On white

2.08

#63BFE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#63BFE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFE3

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFE3	#FFFFFF	#000000	##000000
##63BFE3	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACBCE5

Deuteranopia (green-blind)

#99AEE3

Tritanopia (blue-blind)

#00CACB

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63bfe3;
/* rgb */ color: rgb(99, 191, 227);
/* oklch */ color: oklch(76.2% 0.102 226.1);

Tailwind

colors: {
  custom: {
    50: '#99d2ec',
    500: '#63bfe3',
    950: '#000000',
  },
}

SCSS

$custom: #63bfe3;
$custom-light: #99d2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfe3",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 227
  },
  "hsl": {
    "h": 196.875,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.76184,
    "c": 0.1015,
    "h": 226.1
  },
  "luminance": 0.4546
}

Semantic roles & 50–950 ramp

primary

#63BFE3

secondary

#E7C7BA

accent

#4914D2

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63BFE3

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

Preview Lab → · Contrast checker → · Palette generator →