#999BF9#999BF9

#999BF9 is a light, vivid blue. Relative luminance 0.371; OKLCH L 72.6% C 0.135 H 281.6°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#999BF9
RGB	rgb(153, 155, 249)
HSL	hsl(239, 89%, 79%)
HSV	hsv(239, 39%, 98%)
CMYK	cmyk(38.6%, 37.8%, 0%, 2.4%)
CIE-LAB	lab(67.32, 21.57, -47.16)
CIE-LCH	lch(67.32, 51.85, 294.58°)
OKLab	oklab(72.65% 0.0271 -0.1325)
OKLCH	oklch(72.65% 0.135 281.6)
XYZ	xyz(41.9522, 37.0529, 94.5457)
Luminance	0.3705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999BF9 #F9F799

analogous

#99CBF9 #999BF9 #C799F9

triadic

#999BF9 #F9999B #9BF999

tetradic

#999BF9 #F999CB #F9F799 #99F9C7

square

#999BF9 #F999CB #F9F799 #99F9C7

split-complementary

#999BF9 #F9C799 #CBF999

monochromatic

#252AF2 #5F62F6 #999BF9 #D3D4FC #E2E3FD

Accessibility & contrast

On white

2.50

#999BF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#999BF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999BF9

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999BF9	#FFFFFF	#000000	##000000
##999BF9	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA7FD

Deuteranopia (green-blind)

#77A1F7

Tritanopia (blue-blind)

#7DADBE

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #999bf9;
/* rgb */ color: rgb(153, 155, 249);
/* oklch */ color: oklch(72.6% 0.135 281.6);

Tailwind

colors: {
  custom: {
    50: '#bab8fb',
    500: '#999bf9',
    950: '#000000',
  },
}

SCSS

$custom: #999bf9;
$custom-light: #bab8fb;
$custom-dark: #000000;

JSON

{
  "hex": "#999bf9",
  "rgb": {
    "r": 153,
    "g": 155,
    "b": 249
  },
  "hsl": {
    "h": 238.75,
    "s": 88.889,
    "l": 78.824
  },
  "oklch": {
    "l": 0.72648,
    "c": 0.13521,
    "h": 281.6
  },
  "luminance": 0.37055
}

Semantic roles & 50–950 ramp

primary

#999BF9

secondary

#F5F5D6

accent

#E100E6

background

#FBFBFF

surface

#F7F6FF

border

#D0D0D7

text

#121117

muted

#818085

Preview Lab

Preview with #999BF9

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

Preview Lab → · Contrast checker → · Palette generator →