#13416B
Closest named color: Twilight Blue (#0A437A). oklch(36.8% 0.087 249.9), rgb(19, 65, 107).
Aa
White text reads best on this color (10.52:1).
About this color
#13416B is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.087 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.025 away. White text reads best on it, at 10.52:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.99:1 |
| White text | 10.52:1 |
Values
| HEX | #13416B |
| RGB | rgb(19, 65, 107) |
| HSL | hsl(209, 70%, 25%) |
| OKLCH | oklch(36.8% 0.087 249.9) |
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 #13416B | 10.52:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #13416B | 1.99:1 | Fails | Lc 9.8 | Not readable |
| #13416B text on white | 10.52:1 | AAA | Lc 94.1 | Preferred for body text |
| #13416B text on black | 1.99:1 | Fails | Lc -8.5 | 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 900.
-
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
#C8DCF1
oklch(88.6% 0.036 249.5)
-
Step 300
300
#A1C5EA
oklch(81% 0.065 249.3)
-
Step 400
400
#6CA5E0
oklch(70.6% 0.106 250.3)
-
Step 500
500
#418ED7
oklch(63.2% 0.134 249.7)
-
Step 600
600
#1A76C4
oklch(55.6% 0.146 250)
-
Step 700
700
#0763AA
oklch(49.2% 0.136 250)
-
Step 800
800
#0E5189
oklch(42.7% 0.112 249.8)
-
Step 900
900 (this color)
#13416B
oklch(36.8% 0.087 249.9)
-
Step 950
950
#0F2840
oklch(27% 0.055 249.7)
#13416B 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) | #2D436D | 0.028 |
| Deuteranopia (no green cones) | #203B6A | 0.020 |
| Tritanopia (no blue cones) | #004B51 | 0.064 |
| Achromatopsia (no color) | #3F3F3F | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13416B
#13416B
oklch(36.8% 0.087 249.9)
- #593600
#593600
oklch(36.7% 0.079 69.9)
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 #13416B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.025
- Marine Blue #01386A ΔE 0.032
- Dark Grey Blue #29465B ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.046
- Charcoal #264653 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.052
- Midnight Green #073B4C ΔE 0.057
- Light Navy #155084 ΔE 0.058
Use #13416B 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.