#999BB4#999BB4

#999BB4 is a light, muted blue. Relative luminance 0.335; OKLCH L 69.6% C 0.036 H 281.8°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#999BB4
RGB	rgb(153, 155, 180)
HSL	hsl(236, 15%, 65%)
HSV	hsv(236, 15%, 71%)
CMYK	cmyk(15%, 13.9%, 0%, 29.4%)
CIE-LAB	lab(64.57, 4.47, -13.19)
CIE-LCH	lch(64.57, 13.92, 288.71°)
OKLab	oklab(69.62% 0.0075 -0.0357)
OKLCH	oklch(69.62% 0.037 281.8)
XYZ	xyz(33.0946, 33.5099, 47.8957)
Luminance	0.3351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999BB4 #B4B299

analogous

#99A8B4 #999BB4 #A499B4

triadic

#999BB4 #B4999B #9BB499

tetradic

#999BB4 #B499A8 #B4B299 #99B4A4

square

#999BB4 #B499A8 #B4B299 #99B4A4

split-complementary

#999BB4 #B4A499 #A8B499

monochromatic

#595C79 #76789A #999BB4 #BCBECE #E0E0E8

Accessibility & contrast

On white

2.73

#999BB4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#999BB4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999BB4

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999BB4	#FFFFFF	#000000	##000000
##999BB4	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#959DB5

Deuteranopia (green-blind)

#949CB3

Tritanopia (blue-blind)

#939FA3

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #999bb4;
/* rgb */ color: rgb(153, 155, 180);
/* oklch */ color: oklch(69.6% 0.036 281.8);

Tailwind

colors: {
  custom: {
    50: '#b7b8ca',
    500: '#999bb4',
    950: '#000000',
  },
}

SCSS

$custom: #999bb4;
$custom-light: #b7b8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#999bb4",
  "rgb": {
    "r": 153,
    "g": 155,
    "b": 180
  },
  "hsl": {
    "h": 235.556,
    "s": 15.254,
    "l": 65.294
  },
  "oklch": {
    "l": 0.69621,
    "c": 0.0365,
    "h": 281.8
  },
  "luminance": 0.3351
}

Semantic roles & 50–950 ramp

primary

#999BB4

secondary

#D9D8D0

accent

#944C99

background

#FBFBFC

surface

#F6F6F8

border

#D0D0D1

text

#111113

muted

#808082

Preview Lab

Preview with #999BB4

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

Preview Lab → · Contrast checker → · Palette generator →