#999BB3#999BB3

#999BB3 is a light, muted blue. Relative luminance 0.335; OKLCH L 69.6% C 0.035 H 281.7°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#999BB3
RGB	rgb(153, 155, 179)
HSL	hsl(235, 15%, 65%)
HSV	hsv(235, 15%, 70%)
CMYK	cmyk(14.5%, 13.4%, 0%, 29.8%)
CIE-LAB	lab(64.54, 4.25, -12.68)
CIE-LCH	lch(64.54, 13.37, 288.52°)
OKLab	oklab(69.58% 0.0071 -0.0343)
OKLCH	oklch(69.58% 0.035 281.7)
XYZ	xyz(32.9931, 33.4693, 47.3611)
Luminance	0.3347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999BB3 #B3B199

analogous

#99A8B3 #999BB3 #A499B3

triadic

#999BB3 #B3999B #9BB399

tetradic

#999BB3 #B399A8 #B3B199 #99B3A4

square

#999BB3 #B399A8 #B3B199 #99B3A4

split-complementary

#999BB3 #B3A499 #A8B399

monochromatic

#595C78 #767999 #999BB3 #BCBDCD #DFE0E7

Accessibility & contrast

On white

2.73

#999BB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.69

#999BB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999BB3

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999BB3	#FFFFFF	#000000	##000000
##999BB3	1.00	2.73	7.69	7.69
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.69	21.00	1.00	1.00
##000000	7.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#959DB4

Deuteranopia (green-blind)

#949CB2

Tritanopia (blue-blind)

#949FA3

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #999bb3;
/* rgb */ color: rgb(153, 155, 179);
/* oklch */ color: oklch(69.6% 0.035 281.7);

Tailwind

colors: {
  custom: {
    50: '#b7b8c9',
    500: '#999bb3',
    950: '#000000',
  },
}

SCSS

$custom: #999bb3;
$custom-light: #b7b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#999bb3",
  "rgb": {
    "r": 153,
    "g": 155,
    "b": 179
  },
  "hsl": {
    "h": 235.385,
    "s": 14.607,
    "l": 65.098
  },
  "oklch": {
    "l": 0.69585,
    "c": 0.03504,
    "h": 281.7
  },
  "luminance": 0.3347
}

Semantic roles & 50–950 ramp

primary

#999BB3

secondary

#D8D8CF

accent

#934D99

background

#FBFBFC

surface

#F6F6F8

border

#D0D0D1

text

#111113

muted

#808082

Preview Lab

Preview with #999BB3

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

Preview Lab → · Contrast checker → · Palette generator →