#0F5298
Closest named color: Dusk Blue (#26538D). oklch(44% 0.131 254.2), rgb(15, 82, 152).
Aa
White text reads best on this color (7.83:1).
About this color
#0F5298 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.131 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.023 away. White text reads best on it, at 7.83:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.68:1 |
| White text | 7.83:1 |
Values
| HEX | #0F5298 |
| RGB | rgb(15, 82, 152) |
| HSL | hsl(211, 82%, 33%) |
| OKLCH | oklch(44% 0.131 254.2) |
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 #0F5298 | 7.83:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #0F5298 | 2.68:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #0F5298 text on white | 7.83:1 | AAA | Lc 86.7 | Fine for body text |
| #0F5298 text on black | 2.68:1 | Fails | Lc -15.4 | 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
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF5
oklch(88.5% 0.042 255)
-
Step 300
300
#9FC4F2
oklch(81% 0.077 254.1)
-
Step 400
400
#69A3EB
oklch(70.6% 0.123 254.5)
-
Step 500
500
#3D8BE5
oklch(63.2% 0.156 254.1)
-
Step 600
600
#1272D3
oklch(55.5% 0.17 254.3)
-
Step 700
700
#005FB7
oklch(49.1% 0.158 254.4)
-
Step 800
800 (this color)
#0F5298
oklch(44% 0.131 254.2)
-
Step 900
900
#134276
oklch(37.8% 0.102 254)
-
Step 950
950
#0D2745
oklch(27% 0.064 254)
#0F5298 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) | #2C589B | 0.029 |
| Deuteranopia (no green cones) | #094C97 | 0.018 |
| Tritanopia (no blue cones) | #00636D | 0.098 |
| Achromatopsia (no color) | #525252 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F5298
#0F5298
oklch(44% 0.131 254.2)
- #704900
#704900
oklch(43.9% 0.093 74.2)
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 #0F5298, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.023
- Cobalt #1E488F ΔE 0.030
- Light Navy #155084 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.049
- Peacock Blue #016795 ΔE 0.063
- Twilight Blue #0A437A ΔE 0.063
Use #0F5298 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.