#115B8F
Closest named color: Light Navy Blue (#2E5A88). oklch(45.6% 0.108 245.7), rgb(17, 91, 143).
Aa
White text reads best on this color (7.19:1).
About this color
#115B8F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.108 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.021 away. White text reads best on it, at 7.19:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #115B8F |
| RGB | rgb(17, 91, 143) |
| HSL | hsl(205, 79%, 31%) |
| OKLCH | oklch(45.6% 0.108 245.7) |
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 #115B8F | 7.19:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #115B8F | 2.91:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #115B8F text on white | 7.19:1 | AAA | Lc 84.5 | Fine for body text |
| #115B8F text on black | 2.91:1 | Fails | Lc -17.4 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF0
oklch(88.5% 0.036 246.9)
-
Step 300
300
#9FC5E8
oklch(80.8% 0.064 246.5)
-
Step 400
400
#69A7DC
oklch(70.8% 0.101 245.7)
-
Step 500
500
#3A90D2
oklch(63.2% 0.129 245.2)
-
Step 600
600
#0478C0
oklch(55.5% 0.142 246)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800 (this color)
#115B8F
oklch(45.6% 0.108 245.7)
-
Step 900
900
#11456B
oklch(37.7% 0.084 245.3)
-
Step 950
950
#0C293F
oklch(27.1% 0.054 244.7)
#115B8F 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) | #425D91 | 0.043 |
| Deuteranopia (no green cones) | #30528E | 0.031 |
| Tritanopia (no blue cones) | #00686E | 0.077 |
| Achromatopsia (no color) | #575757 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #115B8F
#115B8F
oklch(45.6% 0.108 245.7)
- #7C4900
#7C4900
oklch(45.5% 0.101 65.9)
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 #115B8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.021
- Dusk Blue #26538D ΔE 0.024
- Deep Sea Blue #015482 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.034
- Light Navy #155084 ΔE 0.035
- Peacock Blue #016795 ΔE 0.035
- Denim #3B638C ΔE 0.044
- Dusky Blue #475F94 ΔE 0.051
Use #115B8F 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.