#63B1F2#63B1F2

#63B1F2 is a light, vivid cyan. Relative luminance 0.405; OKLCH L 73.7% C 0.122 H 245.7°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#63B1F2
RGB	rgb(99, 177, 242)
HSL	hsl(207, 85%, 67%)
HSV	hsv(207, 59%, 95%)
CMYK	cmyk(59.1%, 26.9%, 0%, 5.1%)
CIE-LAB	lab(69.83, -5.23, -39.62)
CIE-LCH	lch(69.83, 39.97, 262.48°)
OKLab	oklab(73.71% -0.0504 -0.1114)
OKLCH	oklch(73.71% 0.122 245.7)
XYZ	xyz(36.8888, 40.5043, 89.8613)
Luminance	0.4051 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B1F2 #F2A463

analogous

#63F2EC #63B1F2 #636AF2

triadic

#63B1F2 #F263B1 #B1F263

tetradic

#63B1F2 #EC63F2 #F2A463 #6AF263

square

#63B1F2 #EC63F2 #F2A463 #6AF263

split-complementary

#63B1F2 #F2636A #F2EC63

monochromatic

#1176CA #2B95ED #63B1F2 #9BCDF7 #D4E9FB

Accessibility & contrast

On white

2.31

#63B1F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#63B1F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B1F2

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B1F2	#FFFFFF	#000000	##000000
##63B1F2	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95B3F5

Deuteranopia (green-blind)

#82A4F1

Tritanopia (blue-blind)

#00C1C8

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63b1f2;
/* rgb */ color: rgb(99, 177, 242);
/* oklch */ color: oklch(73.7% 0.122 245.7);

Tailwind

colors: {
  custom: {
    50: '#9ac8f6',
    500: '#63b1f2',
    950: '#000000',
  },
}

SCSS

$custom: #63b1f2;
$custom-light: #9ac8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63b1f2",
  "rgb": {
    "r": 99,
    "g": 177,
    "b": 242
  },
  "hsl": {
    "h": 207.273,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.73709,
    "c": 0.12227,
    "h": 245.7
  },
  "luminance": 0.40508
}

Semantic roles & 50–950 ramp

primary

#63B1F2

secondary

#EFD6C2

accent

#6904E1

background

#FAFCFF

surface

#F3F8FE

border

#CDD1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B1F2

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

Preview Lab → · Contrast checker → · Palette generator →