#909AA5
Closest named color: Cool Gray (#8D99AE). oklch(68.2% 0.02 250.7), rgb(144, 154, 165).
Aa
Black text reads best on this color (7.35:1).
About this color
#909AA5 is a medium-light close to neutral grey. In OKLCH its lightness is 68%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Cool Gray (#8D99AE), ΔE 0.015 away. Black text reads best on it, at 7.35:1.
| Hue family | Neutrals |
| Lightness | medium-light (68%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.35:1 |
| White text | 2.85:1 |
Values
| HEX | #909AA5 |
| RGB | rgb(144, 154, 165) |
| HSL | hsl(211, 10%, 61%) |
| OKLCH | oklch(68.2% 0.02 250.7) |
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 #909AA5 | 2.85:1 | Fails | Lc -60.0 | Content text, not long reading |
| Black text on #909AA5 | 7.35:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #909AA5 text on white | 2.85:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #909AA5 text on black | 7.35:1 | AAA | Lc -47.1 | 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
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6D9DE
oklch(88.4% 0.008 260.7)
-
Step 300
300
#BBC1C9
oklch(80.9% 0.013 255.5)
-
Step 400
400 (this color)
#909AA5
oklch(68.2% 0.02 250.7)
-
Step 500
500
#7E8B99
oklch(63.1% 0.026 250.2)
-
Step 600
600
#687583
oklch(55.7% 0.027 250.3)
-
Step 700
700
#56626F
oklch(49.1% 0.026 250.5)
-
Step 800
800
#47505B
oklch(42.7% 0.022 253.5)
-
Step 900
900
#3B424A
oklch(37.6% 0.017 251.8)
-
Step 950
950
#23272B
oklch(27% 0.009 248.2)
#909AA5 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) | #969AA6 | 0.009 |
| Deuteranopia (no green cones) | #9498A5 | 0.007 |
| Tritanopia (no blue cones) | #8B9C9D | 0.017 |
| Achromatopsia (no color) | #999999 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909AA5
#909AA5
oklch(68.2% 0.02 250.7)
- #A1978C
#A1978C
oklch(68.2% 0.02 70.1)
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 #909AA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.015
- Bluey Grey #89A0B0 ΔE 0.020
- Cool Grey #95A3A6 ΔE 0.027
- Bluegrey #85A3B2 ΔE 0.028
- Greyblue #77A1B5 ΔE 0.037
- Cool Steel #97A7B3 ΔE 0.039
- Pewter #96A8A1 ΔE 0.043
- Cement #A5A391 ΔE 0.053
Use #909AA5 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.