#0A5986
Closest named color: Deep Sea Blue (#015482). oklch(44.4% 0.101 241.7), rgb(10, 89, 134).
Aa
White text reads best on this color (7.53:1).
About this color
#0A5986 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.101 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.017 away. White text reads best on it, at 7.53:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #0A5986 |
| RGB | rgb(10, 89, 134) |
| HSL | hsl(202, 86%, 28%) |
| OKLCH | oklch(44.4% 0.101 241.7) |
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 #0A5986 | 7.53:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #0A5986 | 2.78:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #0A5986 text on white | 7.53:1 | AAA | Lc 85.7 | Fine for body text |
| #0A5986 text on black | 2.78:1 | Fails | Lc -16.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300
#A0C6E4
oklch(80.9% 0.059 242.2)
-
Step 400
400
#69A8D6
oklch(70.7% 0.094 241.5)
-
Step 500
500
#3A91CB
oklch(63% 0.12 241.6)
-
Step 600
600
#027AB8
oklch(55.5% 0.131 241.8)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800 (this color)
#0A5986
oklch(44.4% 0.101 241.7)
-
Step 900
900
#114667
oklch(37.8% 0.078 241.3)
-
Step 950
950
#0C293C
oklch(26.9% 0.049 240.9)
#0A5986 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) | #435A88 | 0.047 |
| Deuteranopia (no green cones) | #335085 | 0.035 |
| Tritanopia (no blue cones) | #006469 | 0.067 |
| Achromatopsia (no color) | #545454 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A5986
#0A5986
oklch(44.4% 0.101 241.7)
- #7A4504
#7A4504
oklch(44.5% 0.1 62.3)
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 #0A5986, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.017
- Light Navy Blue #2E5A88 ΔE 0.024
- Light Navy #155084 ΔE 0.026
- Dusk Blue #26538D ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.044
- Peacock Blue #016795 ΔE 0.044
- YInMn Blue #415A77 ΔE 0.049
- Denim #3B638C ΔE 0.051
Use #0A5986 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.