#999BBC#999BBC

#999BBC is a light, muted blue. Relative luminance 0.338; OKLCH L 69.9% C 0.048 H 282.3°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#999BBC
RGB	rgb(153, 155, 188)
HSL	hsl(237, 21%, 67%)
HSV	hsv(237, 19%, 74%)
CMYK	cmyk(18.6%, 17.6%, 0%, 26.3%)
CIE-LAB	lab(64.84, 6.26, -17.26)
CIE-LCH	lch(64.84, 18.36, 289.92°)
OKLab	oklab(69.92% 0.0103 -0.047)
OKLCH	oklch(69.92% 0.048 282.3)
XYZ	xyz(33.9332, 33.8453, 52.3122)
Luminance	0.3385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999BBC #BCBA99

analogous

#99ADBC #999BBC #A999BC

triadic

#999BBC #BC999B #9BBC99

tetradic

#999BBC #BC99AD #BCBA99 #99BCA9

square

#999BBC #BC99AD #BCBA99 #99BCA9

split-complementary

#999BBC #BCA999 #ADBC99

monochromatic

#575984 #7477A4 #999BBC #BEBFD4 #E3E3ED

Accessibility & contrast

On white

2.70

#999BBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#999BBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999BBC

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999BBC	#FFFFFF	#000000	##000000
##999BBC	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939EBE

Deuteranopia (green-blind)

#919CBB

Tritanopia (blue-blind)

#91A1A6

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #999bbc;
/* rgb */ color: rgb(153, 155, 188);
/* oklch */ color: oklch(69.9% 0.048 282.3);

Tailwind

colors: {
  custom: {
    50: '#b7b8d0',
    500: '#999bbc',
    950: '#000000',
  },
}

SCSS

$custom: #999bbc;
$custom-light: #b7b8d0;
$custom-dark: #000000;

JSON

{
  "hex": "#999bbc",
  "rgb": {
    "r": 153,
    "g": 155,
    "b": 188
  },
  "hsl": {
    "h": 236.571,
    "s": 20.71,
    "l": 66.863
  },
  "oklch": {
    "l": 0.69919,
    "c": 0.04815,
    "h": 282.3
  },
  "luminance": 0.33846
}

Semantic roles & 50–950 ramp

primary

#999BBC

secondary

#DEDDD3

accent

#9A469F

background

#FBFBFC

surface

#F6F6F9

border

#D0D0D2

text

#111114

muted

#808082

Preview Lab

Preview with #999BBC

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

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