#999AB4
Closest named color: Cool Gray (#8D99AE). oklch(69.4% 0.038 283.6), rgb(153, 154, 180).
Aa
Black text reads best on this color (7.63:1).
About this color
#999AB4 is a medium-light, muted purple. In OKLCH its lightness is 69%, its chroma 0.038 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.020 away. Black text reads best on it, at 7.63:1.
| Hue family | Purples |
| Lightness | medium-light (69%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.63:1 |
| White text | 2.75:1 |
Values
| HEX | #999AB4 |
| RGB | rgb(153, 154, 180) |
| HSL | hsl(238, 15%, 65%) |
| OKLCH | oklch(69.4% 0.038 283.6) |
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 #999AB4 | 2.75:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #999AB4 | 7.63:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #999AB4 text on white | 2.75:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #999AB4 text on black | 7.63:1 | AAA | Lc -48.7 | 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
#BEBFD0
oklch(80.9% 0.024 283.2)
-
Step 400
400 (this color)
#999AB4
oklch(69.4% 0.038 283.6)
-
Step 500
500
#8586A6
oklch(63.1% 0.048 283.5)
-
Step 600
600
#6F7092
oklch(55.7% 0.052 283.2)
-
Step 700
700
#5D5D7C
oklch(49.1% 0.049 284.4)
-
Step 800
800
#4C4C65
oklch(42.7% 0.041 284.5)
-
Step 900
900
#3F4052
oklch(37.8% 0.031 282.3)
-
Step 950
950
#252530
oklch(26.9% 0.02 285)
#999AB4 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) | #949DB5 | 0.010 |
| Deuteranopia (no green cones) | #939BB3 | 0.009 |
| Tritanopia (no blue cones) | #939EA2 | 0.034 |
| Achromatopsia (no color) | #9C9C9C | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999AB4
#999AB4
oklch(69.4% 0.038 283.6)
- #A09E83
#A09E83
oklch(69.4% 0.038 103.8)
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 #999AB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.020
- Bluey Grey #89A0B0 ΔE 0.028
- Bluegrey #85A3B2 ΔE 0.036
- Cool Steel #97A7B3 ΔE 0.037
- Cool Grey #95A3A6 ΔE 0.038
- Greyblue #77A1B5 ΔE 0.046
- Dusty Lavender #AC86A8 ΔE 0.055
- Pewter #96A8A1 ΔE 0.055
Use #999AB4 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.