#909FAC
Closest named color: Bluey Grey (#89A0B0). oklch(69.5% 0.026 244.3), rgb(144, 159, 172).
Aa
Black text reads best on this color (7.74:1).
About this color
#909FAC is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.010 away. Black text reads best on it, at 7.74:1.
| Hue family | Neutrals |
| Lightness | medium-light (69%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 7.74:1 |
| White text | 2.71:1 |
Values
| HEX | #909FAC |
| RGB | rgb(144, 159, 172) |
| HSL | hsl(208, 14%, 62%) |
| OKLCH | oklch(69.5% 0.026 244.3) |
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 #909FAC | 2.71:1 | Fails | Lc -57.8 | Large or bold text, headings |
| Black text on #909FAC | 7.74:1 | AAA | Lc 51.4 | Large or bold text, headings |
| #909FAC text on white | 2.71:1 | Fails | Lc 52.6 | Large or bold text, headings |
| #909FAC text on black | 7.74:1 | AAA | Lc -49.3 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B8C2CA
oklch(80.9% 0.016 241.8)
-
Step 400
400 (this color)
#909FAC
oklch(69.5% 0.026 244.3)
-
Step 500
500
#798C9C
oklch(63.1% 0.033 243.7)
-
Step 600
600
#627687
oklch(55.6% 0.036 244.1)
-
Step 700
700
#516373
oklch(49.1% 0.034 245.4)
-
Step 800
800
#43515D
oklch(42.8% 0.027 244.3)
-
Step 900
900
#38434C
oklch(37.7% 0.021 243)
-
Step 950
950
#21272D
oklch(26.9% 0.014 248.4)
#909FAC 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) | #9A9FAD | 0.014 |
| Deuteranopia (no green cones) | #969CAC | 0.011 |
| Tritanopia (no blue cones) | #89A2A3 | 0.021 |
| Achromatopsia (no color) | #9D9D9D | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909FAC
#909FAC
oklch(69.5% 0.026 244.3)
- #A99A8D
#A99A8D
oklch(69.6% 0.026 63.3)
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 #909FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.010
- Bluegrey #85A3B2 ΔE 0.017
- Cool Grey #95A3A6 ΔE 0.018
- Cool Gray #8D99AE ΔE 0.019
- Cool Steel #97A7B3 ΔE 0.025
- Greyblue #77A1B5 ΔE 0.032
- Pewter #96A8A1 ΔE 0.036
- Dark Gray #A9A9A9 ΔE 0.047
Use #909FAC 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.