#115381
Closest named color: Deep Sea Blue (#015482). oklch(42.7% 0.099 245.1), rgb(17, 83, 129).
Aa
White text reads best on this color (8.14:1).
About this color
#115381 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.099 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.006 away. White text reads best on it, at 8.14:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.57:1 |
| White text | 8.14:1 |
Values
| HEX | #115381 |
| RGB | rgb(17, 83, 129) |
| HSL | hsl(205, 77%, 29%) |
| OKLCH | oklch(42.7% 0.099 245.1) |
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 #115381 | 8.14:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #115381 | 2.57:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #115381 text on white | 8.14:1 | AAA | Lc 87.8 | Fine for body text |
| #115381 text on black | 2.57:1 | Fails | Lc -14.4 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A2C5E4
oklch(80.8% 0.058 245.3)
-
Step 400
400
#6EA7D7
oklch(70.8% 0.093 245)
-
Step 500
500
#4490CC
oklch(63.2% 0.118 245.1)
-
Step 600
600
#1E79B9
oklch(55.7% 0.128 245.2)
-
Step 700
700
#0C659F
oklch(49% 0.119 245.3)
-
Step 800
800 (this color)
#115381
oklch(42.7% 0.099 245.1)
-
Step 900
900
#184567
oklch(37.7% 0.076 244.8)
-
Step 950
950
#0F293D
oklch(27.1% 0.049 244.3)
#115381 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) | #3D5583 | 0.041 |
| Deuteranopia (no green cones) | #2D4B80 | 0.029 |
| Tritanopia (no blue cones) | #005E64 | 0.068 |
| Achromatopsia (no color) | #4F4F4F | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #115381
#115381
oklch(42.7% 0.099 245.1)
- #724200
#724200
oklch(42.7% 0.096 65.1)
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 #115381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.006
- Light Navy #155084 ΔE 0.011
- Dusk Blue #26538D ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.034
- Cobalt #1E488F ΔE 0.043
- Twilight Blue #0A437A ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.053
- YInMn Blue #415A77 ΔE 0.054
Use #115381 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.