#999BBF#999BBF

#999BBF is a light, muted blue. Relative luminance 0.340; OKLCH L 70.0% C 0.053 H 282.4°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#999BBF
RGB	rgb(153, 155, 191)
HSL	hsl(237, 23%, 67%)
HSV	hsv(237, 20%, 75%)
CMYK	cmyk(19.9%, 18.8%, 0%, 25.1%)
CIE-LAB	lab(64.94, 6.94, -18.78)
CIE-LCH	lch(64.94, 20.03, 290.29°)
OKLab	oklab(70.03% 0.0113 -0.0513)
OKLCH	oklch(70.03% 0.053 282.4)
XYZ	xyz(34.2599, 33.9760, 54.0332)
Luminance	0.3398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999BBF #BFBD99

analogous

#99AEBF #999BBF #AA99BF

triadic

#999BBF #BF999B #9BBF99

tetradic

#999BBF #BF99AE #BFBD99 #99BFAA

square

#999BBF #BF99AE #BFBD99 #99BFAA

split-complementary

#999BBF #BFAA99 #AEBF99

monochromatic

#555888 #7376A7 #999BBF #BFC0D7 #E4E5EE

Accessibility & contrast

On white

2.69

#999BBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#999BBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999BBF

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999BBF	#FFFFFF	#000000	##000000
##999BBF	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929FC1

Deuteranopia (green-blind)

#909CBE

Tritanopia (blue-blind)

#91A1A7

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #999bbf;
/* rgb */ color: rgb(153, 155, 191);
/* oklch */ color: oklch(70.0% 0.053 282.4);

Tailwind

colors: {
  custom: {
    50: '#b7b8d2',
    500: '#999bbf',
    950: '#000000',
  },
}

SCSS

$custom: #999bbf;
$custom-light: #b7b8d2;
$custom-dark: #000000;

JSON

{
  "hex": "#999bbf",
  "rgb": {
    "r": 153,
    "g": 155,
    "b": 191
  },
  "hsl": {
    "h": 236.842,
    "s": 22.892,
    "l": 67.451
  },
  "oklch": {
    "l": 0.70034,
    "c": 0.05251,
    "h": 282.4
  },
  "luminance": 0.33977
}

Semantic roles & 50–950 ramp

primary

#999BBF

secondary

#E0DFD4

accent

#9C44A1

background

#FBFBFC

surface

#F6F6F9

border

#D0D0D2

text

#111114

muted

#808082

Preview Lab

Preview with #999BBF

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

Preview Lab → · Contrast checker → · Palette generator →