#9999B3
Closest named color: Cool Gray (#8D99AE). oklch(69.2% 0.038 285.4), rgb(153, 153, 179).
Aa
Black text reads best on this color (7.56:1).
About this color
#9999B3 is a medium-light, muted purple. In OKLCH its lightness is 69%, its chroma 0.038 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.019 away. Black text reads best on it, at 7.56:1.
| Hue family | Purples |
| Lightness | medium-light (69%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.56:1 |
| White text | 2.77:1 |
Values
| HEX | #9999B3 |
| RGB | rgb(153, 153, 179) |
| HSL | hsl(240, 15%, 65%) |
| OKLCH | oklch(69.2% 0.038 285.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #9999B3 | 2.77:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #9999B3 | 7.56:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #9999B3 text on white | 2.77:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #9999B3 text on black | 7.56:1 | AAA | Lc -48.3 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D8D8E2
oklch(88.5% 0.014 286.1)
-
Step 300
300
#BFBFD0
oklch(81% 0.024 285.9)
-
Step 400
400 (this color)
#9999B3
oklch(69.2% 0.038 285.4)
-
Step 500
500
#8686A6
oklch(63.1% 0.048 285)
-
Step 600
600
#706F91
oklch(55.5% 0.052 285.9)
-
Step 700
700
#5E5D7C
oklch(49.1% 0.049 285.9)
-
Step 800
800
#4C4C65
oklch(42.7% 0.041 284.5)
-
Step 900
900
#403F52
oklch(37.6% 0.032 287.2)
-
Step 950
950
#252530
oklch(26.9% 0.02 285)
#9999B3 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #939CB4 | 0.011 |
| Deuteranopia (no green cones) | #929AB2 | 0.010 |
| Tritanopia (no blue cones) | #949DA1 | 0.033 |
| Achromatopsia (no color) | #9B9B9B | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9999B3
#9999B3
oklch(69.2% 0.038 285.4)
- #9F9E83
#9F9E83
oklch(69.3% 0.038 105.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #9999B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.019
- Bluey Grey #89A0B0 ΔE 0.029
- Bluegrey #85A3B2 ΔE 0.037
- Cool Steel #97A7B3 ΔE 0.039
- Cool Grey #95A3A6 ΔE 0.039
- Greyblue #77A1B5 ΔE 0.046
- Dusty Lavender #AC86A8 ΔE 0.053
- Heather #A484AC ΔE 0.055
Use #9999B3 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.