#999BCB#999BCB

#999BCB is a light, moderate blue. Relative luminance 0.345; OKLCH L 70.5% C 0.070 H 282.6°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#999BCB
RGB	rgb(153, 155, 203)
HSL	hsl(238, 32%, 70%)
HSV	hsv(238, 25%, 80%)
CMYK	cmyk(24.6%, 23.6%, 0%, 20.4%)
CIE-LAB	lab(65.38, 9.77, -24.81)
CIE-LCH	lch(65.38, 26.67, 291.49°)
OKLab	oklab(70.52% 0.0152 -0.0683)
OKLCH	oklch(70.52% 0.07 282.6)
XYZ	xyz(35.6350, 34.5261, 61.2751)
Luminance	0.3453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#999BCB #CBC999

analogous

#99B4CB #999BCB #B099CB

triadic

#999BCB #CB999B #9BCB99

tetradic

#999BCB #CB99B4 #CBC999 #99CBB0

square

#999BCB #CB99B4 #CBC999 #99CBB0

split-complementary

#999BCB #CBB099 #B4CB99

monochromatic

#4F529B #7073B6 #999BCB #C2C3E0 #EAEAF4

Accessibility & contrast

On white

2.66

#999BCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#999BCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #999BCB

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##999BCB	#FFFFFF	#000000	##000000
##999BCB	1.00	2.66	7.91	7.91
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA0CD

Deuteranopia (green-blind)

#8C9DCA

Tritanopia (blue-blind)

#8DA3AB

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #999bcb;
/* rgb */ color: rgb(153, 155, 203);
/* oklch */ color: oklch(70.5% 0.070 282.6);

Tailwind

colors: {
  custom: {
    50: '#b8b8db',
    500: '#999bcb',
    950: '#000000',
  },
}

SCSS

$custom: #999bcb;
$custom-light: #b8b8db;
$custom-dark: #000000;

JSON

{
  "hex": "#999bcb",
  "rgb": {
    "r": 153,
    "g": 155,
    "b": 203
  },
  "hsl": {
    "h": 237.6,
    "s": 32.468,
    "l": 69.804
  },
  "oklch": {
    "l": 0.70516,
    "c": 0.06994,
    "h": 282.6
  },
  "luminance": 0.34527
}

Semantic roles & 50–950 ramp

primary

#999BCB

secondary

#E7E6D9

accent

#A73AAB

background

#FBFBFD

surface

#F6F6FB

border

#D0D0D4

text

#111115

muted

#808083

Preview Lab

Preview with #999BCB

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

Preview Lab → · Contrast checker → · Palette generator →