#0F4E83
Closest named color: Light Navy (#155084). oklch(41.6% 0.107 249.6), rgb(15, 78, 131).
Aa
White text reads best on this color (8.61:1).
About this color
#0F4E83 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.107 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.007 away. White text reads best on it, at 8.61:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.43:1 |
| White text | 8.61:1 |
Values
| HEX | #0F4E83 |
| RGB | rgb(15, 78, 131) |
| HSL | hsl(207, 79%, 29%) |
| OKLCH | oklch(41.6% 0.107 249.6) |
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 #0F4E83 | 8.61:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #0F4E83 | 2.43:1 | Fails | Lc 14.8 | Not readable |
| #0F4E83 text on white | 8.61:1 | AAA | Lc 89.1 | Fine for body text |
| #0F4E83 text on black | 2.43:1 | Fails | Lc -13.1 | Not readable |
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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A2C4E8
oklch(80.8% 0.063 250.1)
-
Step 400
400
#6FA5DD
oklch(70.7% 0.1 250.3)
-
Step 500
500
#458ED3
oklch(63.1% 0.127 249.4)
-
Step 600
600
#2177C0
oklch(55.7% 0.138 249.2)
-
Step 700
700
#1263A6
oklch(49% 0.129 249.8)
-
Step 800
800 (this color)
#0F4E83
oklch(41.6% 0.107 249.6)
-
Step 900
900
#19446C
oklch(37.8% 0.083 249.6)
-
Step 950
950
#10283F
oklch(27% 0.053 249.5)
#0F4E83 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) | #345185 | 0.033 |
| Deuteranopia (no green cones) | #214782 | 0.021 |
| Tritanopia (no blue cones) | #005B62 | 0.078 |
| Achromatopsia (no color) | #4C4C4C | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F4E83
#0F4E83
oklch(41.6% 0.107 249.6)
- #6B4100
#6B4100
oklch(41.5% 0.091 68.9)
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 #0F4E83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.007
- Deep Sea Blue #015482 ΔE 0.018
- Dusk Blue #26538D ΔE 0.028
- Cobalt #1E488F ΔE 0.029
- Twilight Blue #0A437A ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.062
- YInMn Blue #415A77 ΔE 0.067
Use #0F4E83 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.