#99BBFF#99BBFF

#99BBFF is a light, moderate blue. Relative luminance 0.495; OKLCH L 79.3% C 0.104 H 263.7°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#99BBFF
RGB	rgb(153, 187, 255)
HSL	hsl(220, 100%, 80%)
HSV	hsv(220, 40%, 100%)
CMYK	cmyk(40%, 26.7%, 0%, 0%)
CIE-LAB	lab(75.78, 5.18, -37.18)
CIE-LCH	lch(75.78, 37.54, 277.94°)
OKLab	oklab(79.28% -0.0114 -0.1036)
OKLCH	oklch(79.28% 0.104 263.7)
XYZ	xyz(48.9516, 49.5304, 101.5693)
Luminance	0.4953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BBFF #FFDD99

analogous

#99EEFF #99BBFF #AA99FF

triadic

#99BBFF #FF99BB #BBFF99

tetradic

#99BBFF #FF99EE #FFDD99 #99FFAA

square

#99BBFF #FF99EE #FFDD99 #99FFAA

split-complementary

#99BBFF #FFAA99 #EEFF99

monochromatic

#1F69FF #5C92FF #99BBFF #D6E4FF #E0EBFF

Accessibility & contrast

On white

1.93

#99BBFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.91

#99BBFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BBFF

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BBFF	#FFFFFF	#000000	##000000
##99BBFF	1.00	1.93	10.91	10.91
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.91	21.00	1.00	1.00
##000000	10.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3C0FF

Deuteranopia (green-blind)

#99B7FD

Tritanopia (blue-blind)

#77C9D3

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #99bbff;
/* rgb */ color: rgb(153, 187, 255);
/* oklch */ color: oklch(79.3% 0.104 263.7);

Tailwind

colors: {
  custom: {
    50: '#bacfff',
    500: '#99bbff',
    950: '#000000',
  },
}

SCSS

$custom: #99bbff;
$custom-light: #bacfff;
$custom-dark: #000000;

JSON

{
  "hex": "#99bbff",
  "rgb": {
    "r": 153,
    "g": 187,
    "b": 255
  },
  "hsl": {
    "h": 220,
    "s": 100,
    "l": 80
  },
  "oklch": {
    "l": 0.79278,
    "c": 0.10421,
    "h": 263.7
  },
  "luminance": 0.49533
}

Semantic roles & 50–950 ramp

primary

#99BBFF

secondary

#F7EBD4

accent

#9900E6

background

#FBFCFF

surface

#F6F9FF

border

#D0D2D7

text

#121318

muted

#818286

Preview Lab

Preview with #99BBFF

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

Preview Lab → · Contrast checker → · Palette generator →