#999BB1#999BB1

#999BB1 is a light, muted blue. Relative luminance 0.334; OKLCH L 69.5% C 0.032 H 281.4°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#999BB1
RGB	rgb(153, 155, 177)
HSL	hsl(235, 13%, 65%)
HSV	hsv(235, 14%, 69%)
CMYK	cmyk(13.6%, 12.4%, 0%, 30.6%)
CIE-LAB	lab(64.47, 3.81, -11.65)
CIE-LCH	lch(64.47, 12.26, 288.11°)
OKLab	oklab(69.51% 0.0064 -0.0315)
OKLCH	oklch(69.51% 0.032 281.4)
XYZ	xyz(32.7923, 33.3890, 46.3035)
Luminance	0.3339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999BB1 #B1AF99

analogous

#99A7B1 #999BB1 #A399B1

triadic

#999BB1 #B1999B #9BB199

tetradic

#999BB1 #B199A7 #B1AF99 #99B1A3

square

#999BB1 #B199A7 #B1AF99 #99B1A3

split-complementary

#999BB1 #B1A399 #A7B199

monochromatic

#5A5C76 #767996 #999BB1 #BCBDCC #DEDFE6

Accessibility & contrast

On white

2.74

#999BB1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#999BB1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999BB1

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999BB1	#FFFFFF	#000000	##000000
##999BB1	1.00	2.74	7.68	7.68
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#969DB2

Deuteranopia (green-blind)

#959CB0

Tritanopia (blue-blind)

#949FA2

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #999bb1;
/* rgb */ color: rgb(153, 155, 177);
/* oklch */ color: oklch(69.5% 0.032 281.4);

Tailwind

colors: {
  custom: {
    50: '#b7b8c8',
    500: '#999bb1',
    950: '#000000',
  },
}

SCSS

$custom: #999bb1;
$custom-light: #b7b8c8;
$custom-dark: #000000;

JSON

{
  "hex": "#999bb1",
  "rgb": {
    "r": 153,
    "g": 155,
    "b": 177
  },
  "hsl": {
    "h": 235,
    "s": 13.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.69513,
    "c": 0.03213,
    "h": 281.4
  },
  "luminance": 0.33389
}

Semantic roles & 50–950 ramp

primary

#999BB1

secondary

#D7D6CF

accent

#914E97

background

#FBFBFC

surface

#F6F6F8

border

#D0D0D1

text

#111113

muted

#808082

Preview Lab

Preview with #999BB1

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

Preview Lab → · Contrast checker → · Palette generator →