#999FBB#999FBB

#999FBB is a light, muted blue. Relative luminance 0.352; OKLCH L 70.7% C 0.041 H 275.8°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#999FBB
RGB	rgb(153, 159, 187)
HSL	hsl(229, 20%, 67%)
HSV	hsv(229, 18%, 73%)
CMYK	cmyk(18.2%, 15%, 0%, 26.7%)
CIE-LAB	lab(65.87, 3.79, -15.15)
CIE-LCH	lch(65.87, 15.61, 284.04°)
OKLab	oklab(70.71% 0.0042 -0.0412)
OKLCH	oklch(70.71% 0.041 275.8)
XYZ	xyz(34.5025, 35.1559, 51.9721)
Luminance	0.3516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999FBB #BBB599

analogous

#99B0BB #999FBB #A499BB

triadic

#999FBB #BB999F #9FBB99

tetradic

#999FBB #BB99B0 #BBB599 #99BBA4

square

#999FBB #BB99B0 #BBB599 #99BBA4

split-complementary

#999FBB #BBA499 #B0BB99

monochromatic

#575F83 #747CA3 #999FBB #BEC2D3 #E2E4EC

Accessibility & contrast

On white

2.61

#999FBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#999FBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999FBB

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999FBB	#FFFFFF	#000000	##000000
##999FBB	1.00	2.61	8.03	8.03
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A1BC

Deuteranopia (green-blind)

#959FBA

Tritanopia (blue-blind)

#91A4A8

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #999fbb;
/* rgb */ color: rgb(153, 159, 187);
/* oklch */ color: oklch(70.7% 0.041 275.8);

Tailwind

colors: {
  custom: {
    50: '#b7bbcf',
    500: '#999fbb',
    950: '#000000',
  },
}

SCSS

$custom: #999fbb;
$custom-light: #b7bbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#999fbb",
  "rgb": {
    "r": 153,
    "g": 159,
    "b": 187
  },
  "hsl": {
    "h": 229.412,
    "s": 20,
    "l": 66.667
  },
  "oklch": {
    "l": 0.70712,
    "c": 0.04139,
    "h": 275.8
  },
  "luminance": 0.35156
}

Semantic roles & 50–950 ramp

primary

#999FBB

secondary

#DDDBD2

accent

#8F479E

background

#FBFBFC

surface

#F6F6F9

border

#D0D0D2

text

#111113

muted

#808082

Preview Lab

Preview with #999FBB

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

Preview Lab → · Contrast checker → · Palette generator →