#909EA5
Closest named color: Cool Grey (#95A3A6). oklch(69% 0.019 229.1), rgb(144, 158, 165).
Aa
Black text reads best on this color (7.61:1).
About this color
#909EA5 is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.019. 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 7.61:1.
| Hue family | Neutrals |
| Lightness | medium-light (69%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Cool Grey (#95A3A6) |
| Black text | 7.61:1 |
| White text | 2.75:1 |
Values
| HEX | #909EA5 |
| RGB | rgb(144, 158, 165) |
| HSL | hsl(200, 10%, 61%) |
| OKLCH | oklch(69% 0.019 229.1) |
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 #909EA5 | 2.75:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #909EA5 | 7.61:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #909EA5 text on white | 2.75:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #909EA5 text on black | 7.61:1 | AAA | Lc -48.6 | 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
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D5DADD
oklch(88.5% 0.007 233.7)
-
Step 300
300
#B9C2C7
oklch(80.9% 0.012 231.7)
-
Step 400
400 (this color)
#909EA5
oklch(69% 0.019 229.1)
-
Step 500
500
#7B8D95
oklch(63.2% 0.024 226.4)
-
Step 600
600
#647780
oklch(55.7% 0.026 228.1)
-
Step 700
700
#53646C
oklch(49.2% 0.024 228)
-
Step 800
800
#445158
oklch(42.6% 0.02 231.4)
-
Step 900
900
#394348
oklch(37.6% 0.016 229.4)
-
Step 950
950
#22272A
oklch(26.9% 0.009 234.1)
#909EA5 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) | #9A9DA5 | 0.014 |
| Deuteranopia (no green cones) | #979BA5 | 0.012 |
| Tritanopia (no blue cones) | #8BA0A0 | 0.013 |
| Achromatopsia (no color) | #9C9C9C | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909EA5
#909EA5
oklch(69% 0.019 229.1)
- #A69891
#A69891
oklch(69% 0.019 48.4)
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 #909EA5, 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 0.017
- Bluegrey #85A3B2 ΔE 0.022
- Cool Gray #8D99AE ΔE 0.023
- Cool Steel #97A7B3 ΔE 0.030
- Pewter #96A8A1 ΔE 0.032
- Greyblue #77A1B5 ΔE 0.036
- Cement #A5A391 ΔE 0.046
Use #909EA5 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.