#065A99
Closest named color: Dusk Blue (#26538D). oklch(45.8% 0.124 249.2), rgb(6, 90, 153).
Aa
White text reads best on this color (7.16:1).
About this color
#065A99 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.124 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.027 away. White text reads best on it, at 7.16:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #065A99 |
| RGB | rgb(6, 90, 153) |
| HSL | hsl(206, 92%, 31%) |
| OKLCH | oklch(45.8% 0.124 249.2) |
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 #065A99 | 7.16:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #065A99 | 2.93:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #065A99 text on white | 7.16:1 | AAA | Lc 84.3 | Fine for body text |
| #065A99 text on black | 2.93:1 | Fails | Lc -17.7 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C5DCF3
oklch(88.5% 0.04 248.3)
-
Step 300
300
#9DC5EE
oklch(80.9% 0.072 249.4)
-
Step 400
400
#64A6E6
oklch(70.8% 0.116 249.1)
-
Step 500
500
#328EDE
oklch(63.1% 0.148 248.9)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800 (this color)
#065A99
oklch(45.8% 0.124 249.2)
-
Step 900
900
#0B4472
oklch(37.8% 0.096 248.8)
-
Step 950
950
#0A2843
oklch(27% 0.061 249.3)
#065A99 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) | #3A5E9C | 0.039 |
| Deuteranopia (no green cones) | #225298 | 0.024 |
| Tritanopia (no blue cones) | #006972 | 0.088 |
| Achromatopsia (no color) | #585858 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #065A99
#065A99
oklch(45.8% 0.124 249.2)
- #7B4C00
#7B4C00
oklch(46% 0.1 69.5)
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 #065A99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.040
- Peacock Blue #016795 ΔE 0.041
- Light Navy #155084 ΔE 0.041
- Cobalt #1E488F ΔE 0.051
- Denim #3B638C ΔE 0.053
Use #065A99 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.