#0B5293
Closest named color: Dusk Blue (#26538D). oklch(43.6% 0.125 252.3), rgb(11, 82, 147).
Aa
White text reads best on this color (7.94:1).
About this color
#0B5293 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.125 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.019 away. White text reads best on it, at 7.94:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #0B5293 |
| RGB | rgb(11, 82, 147) |
| HSL | hsl(209, 86%, 31%) |
| OKLCH | oklch(43.6% 0.125 252.3) |
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 #0B5293 | 7.94:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #0B5293 | 2.64:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #0B5293 text on white | 7.94:1 | AAA | Lc 87.0 | Fine for body text |
| #0B5293 text on black | 2.64:1 | Fails | Lc -15.1 | 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
#C7DBF4
oklch(88.4% 0.041 254)
-
Step 300
300
#9FC4EF
oklch(80.9% 0.073 252.5)
-
Step 400
400
#69A4E7
oklch(70.6% 0.117 252.6)
-
Step 500
500
#3C8CE0
oklch(63.1% 0.149 252.3)
-
Step 600
600
#0F74CE
oklch(55.6% 0.162 252.3)
-
Step 700
700
#0061B1
oklch(49.1% 0.148 252.3)
-
Step 800
800 (this color)
#0B5293
oklch(43.6% 0.125 252.3)
-
Step 900
900
#134373
oklch(37.8% 0.096 252)
-
Step 950
950
#0D2743
oklch(26.9% 0.061 252.5)
#0B5293 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) | #305796 | 0.032 |
| Deuteranopia (no green cones) | #154C92 | 0.017 |
| Tritanopia (no blue cones) | #00626B | 0.092 |
| Achromatopsia (no color) | #515151 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B5293
#0B5293
oklch(43.6% 0.125 252.3)
- #704700
#704700
oklch(43.5% 0.093 72)
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 #0B5293, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.019
- Light Navy #155084 ΔE 0.025
- Cobalt #1E488F ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.049
- Twilight Blue #0A437A ΔE 0.057
- Peacock Blue #016795 ΔE 0.062
Use #0B5293 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.