#99BBEF#99BBEF

#99BBEF is a light, moderate blue. Relative luminance 0.485; OKLCH L 78.6% C 0.083 H 258.7°. Best body text is #000000 at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#99BBEF
RGB	rgb(153, 187, 239)
HSL	hsl(216, 73%, 77%)
HSV	hsv(216, 36%, 94%)
CMYK	cmyk(36%, 21.8%, 0%, 6.3%)
CIE-LAB	lab(75.17, 0.97, -29.51)
CIE-LCH	lch(75.17, 29.53, 271.89°)
OKLab	oklab(78.6% -0.0163 -0.0817)
OKLCH	oklch(78.6% 0.083 258.7)
XYZ	xyz(46.4824, 48.5427, 88.5651)
Luminance	0.4854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BBEF #EFCD99

analogous

#99E6EF #99BBEF #A299EF

triadic

#99BBEF #EF99BB #BBEF99

tetradic

#99BBEF #EF99E6 #EFCD99 #99EFA2

square

#99BBEF #EF99E6 #EFCD99 #99EFA2

split-complementary

#99BBEF #EFA299 #E6EF99

monochromatic

#2F74DE #6498E7 #99BBEF #CEDEF7 #E5EDFB

Accessibility & contrast

On white

1.96

#99BBEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.71

#99BBEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BBEF

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BBEF	#FFFFFF	#000000	##000000
##99BBEF	1.00	1.96	10.71	10.71
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.71	21.00	1.00	1.00
##000000	10.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BEF1

Deuteranopia (green-blind)

#9FB5EE

Tritanopia (blue-blind)

#7EC6CD

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #99bbef;
/* rgb */ color: rgb(153, 187, 239);
/* oklch */ color: oklch(78.6% 0.083 258.7);

Tailwind

colors: {
  custom: {
    50: '#b9cff4',
    500: '#99bbef',
    950: '#000000',
  },
}

SCSS

$custom: #99bbef;
$custom-light: #b9cff4;
$custom-dark: #000000;

JSON

{
  "hex": "#99bbef",
  "rgb": {
    "r": 153,
    "g": 187,
    "b": 239
  },
  "hsl": {
    "h": 216.279,
    "s": 72.881,
    "l": 76.863
  },
  "oklch": {
    "l": 0.78595,
    "c": 0.08329,
    "h": 258.7
  },
  "luminance": 0.48545
}

Semantic roles & 50–950 ramp

primary

#99BBEF

secondary

#F3E8D8

accent

#8711D5

background

#FBFCFE

surface

#F6F9FD

border

#D0D2D5

text

#121317

muted

#818285

Preview Lab

Preview with #99BBEF

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

Preview Lab → · Contrast checker → · Palette generator →