#909EA1
Closest named color: Cool Grey (#95A3A6). oklch(68.9% 0.017 212), rgb(144, 158, 161).
Aa
Black text reads best on this color (7.59:1).
About this color
#909EA1 is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Cool Grey (#95A3A6), ΔE 0.016 away. Black text reads best on it, at 7.59:1.
| Hue family | Neutrals |
| Lightness | medium-light (69%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Cool Grey (#95A3A6) |
| Black text | 7.59:1 |
| White text | 2.76:1 |
Values
| HEX | #909EA1 |
| RGB | rgb(144, 158, 161) |
| HSL | hsl(191, 8%, 60%) |
| OKLCH | oklch(68.9% 0.017 212) |
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 #909EA1 | 2.76:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #909EA1 | 7.59:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #909EA1 text on white | 2.76:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #909EA1 text on black | 7.59:1 | AAA | Lc -48.4 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D5DADB
oklch(88.5% 0.006 211)
-
Step 300
300
#B9C2C4
oklch(80.8% 0.01 212.5)
-
Step 400
400 (this color)
#909EA1
oklch(68.9% 0.017 212)
-
Step 500
500
#7B8D91
oklch(63% 0.022 212.6)
-
Step 600
600
#64777B
oklch(55.5% 0.023 211.8)
-
Step 700
700
#536468
oklch(49% 0.022 213.5)
-
Step 800
800
#445255
oklch(42.8% 0.018 212.1)
-
Step 900
900
#394446
oklch(37.8% 0.015 209.8)
-
Step 950
950
#222829
oklch(27.1% 0.009 208.7)
#909EA1 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) | #9B9DA1 | 0.015 |
| Deuteranopia (no green cones) | #989AA1 | 0.015 |
| Tritanopia (no blue cones) | #8B9F9F | 0.008 |
| Achromatopsia (no color) | #9B9B9B | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909EA1
#909EA1
oklch(68.9% 0.017 212)
- #A59895
#A59895
oklch(69% 0.016 33.1)
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 #909EA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Grey #95A3A6 ΔE 0.016
- Bluey Grey #89A0B0 ΔE 0.022
- Bluegrey #85A3B2 ΔE 0.026
- Cool Gray #8D99AE ΔE 0.028
- Pewter #96A8A1 ΔE 0.030
- Cool Steel #97A7B3 ΔE 0.033
- Greyblue #77A1B5 ΔE 0.039
- Cement #A5A391 ΔE 0.042
Use #909EA1 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.