#9AA3BB
Closest named color: Cool Steel (#97A7B3). oklch(71.6% 0.036 269.2), rgb(154, 163, 187).
Aa
Black text reads best on this color (8.33:1).
About this color
#9AA3BB is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.036 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.019 away. Black text reads best on it, at 8.33:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.33:1 |
| White text | 2.52:1 |
Values
| HEX | #9AA3BB |
| RGB | rgb(154, 163, 187) |
| HSL | hsl(224, 20%, 67%) |
| OKLCH | oklch(71.6% 0.036 269.2) |
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 #9AA3BB | 2.52:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #9AA3BB | 8.33:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #9AA3BB text on white | 2.52:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #9AA3BB text on black | 8.33:1 | AAA | Lc -52.5 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E2
oklch(88.6% 0.013 271.3)
-
Step 300
300
#BAC0D0
oklch(80.8% 0.023 269.4)
-
Step 400
400 (this color)
#9AA3BB
oklch(71.6% 0.036 269.2)
-
Step 500
500
#7E89A6
oklch(63.1% 0.046 268.8)
-
Step 600
600
#677292
oklch(55.5% 0.052 269.9)
-
Step 700
700
#56607C
oklch(49.2% 0.047 269.4)
-
Step 800
800
#464E65
oklch(42.6% 0.04 269.7)
-
Step 900
900
#3B4152
oklch(37.7% 0.03 269.7)
-
Step 950
950
#232630
oklch(27% 0.019 272)
#9AA3BB 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) | #9CA5BC | 0.006 |
| Deuteranopia (no green cones) | #99A2BA | 0.003 |
| Tritanopia (no blue cones) | #92A7AB | 0.032 |
| Achromatopsia (no color) | #A3A3A3 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9AA3BB
#9AA3BB
oklch(71.6% 0.036 269.2)
- #ACA38A
#ACA38A
oklch(71.6% 0.036 90.6)
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 #9AA3BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.019
- Bluey Grey #89A0B0 ΔE 0.030
- Bluegrey #85A3B2 ΔE 0.032
- Cool Grey #95A3A6 ΔE 0.033
- Cool Gray #8D99AE ΔE 0.036
- Dark Gray #A9A9A9 ΔE 0.041
- Pewter #96A8A1 ΔE 0.046
- Greyblue #77A1B5 ΔE 0.047
Use #9AA3BB 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.