#909AA1
Closest named color: Cool Gray (#8D99AE). oklch(68% 0.015 238.1), rgb(144, 154, 161).
Aa
Black text reads best on this color (7.32:1).
About this color
#909AA1 is a medium-light close to neutral grey. In OKLCH its lightness is 68%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Cool Gray (#8D99AE), ΔE 0.021 away. Black text reads best on it, at 7.32:1.
| Hue family | Neutrals |
| Lightness | medium-light (68%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.32:1 |
| White text | 2.86:1 |
Values
| HEX | #909AA1 |
| RGB | rgb(144, 154, 161) |
| HSL | hsl(205, 8%, 60%) |
| OKLCH | oklch(68% 0.015 238.1) |
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 #909AA1 | 2.86:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #909AA1 | 7.32:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #909AA1 text on white | 2.86:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #909AA1 text on black | 7.32:1 | AAA | Lc -46.9 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D6DADC
oklch(88.6% 0.005 228.8)
-
Step 300
300
#BBC2C6
oklch(81% 0.01 232.4)
-
Step 400
400 (this color)
#909AA1
oklch(68% 0.015 238.1)
-
Step 500
500
#7F8B94
oklch(63% 0.019 240.2)
-
Step 600
600
#68757F
oklch(55.5% 0.022 241)
-
Step 700
700
#57636B
oklch(49.2% 0.02 237)
-
Step 800
800
#475057
oklch(42.6% 0.016 241.3)
-
Step 900
900
#3B4348
oklch(37.7% 0.014 235.2)
-
Step 950
950
#23272A
oklch(27% 0.008 240.2)
#909AA1 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) | #979AA1 | 0.010 |
| Deuteranopia (no green cones) | #9598A1 | 0.008 |
| Tritanopia (no blue cones) | #8C9C9C | 0.012 |
| Achromatopsia (no color) | #989898 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909AA1
#909AA1
oklch(68% 0.015 238.1)
- #A0968F
#A0968F
oklch(68% 0.016 57.5)
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 #909AA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.021
- Bluey Grey #89A0B0 ΔE 0.023
- Cool Grey #95A3A6 ΔE 0.026
- Bluegrey #85A3B2 ΔE 0.030
- Greyblue #77A1B5 ΔE 0.039
- Cool Steel #97A7B3 ΔE 0.041
- Pewter #96A8A1 ΔE 0.041
- Cement #A5A391 ΔE 0.050
Use #909AA1 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.