#13446B
Closest named color: Twilight Blue (#0A437A). oklch(37.5% 0.084 246.9), rgb(19, 68, 107).
Aa
White text reads best on this color (10.16:1).
About this color
#13446B is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.084 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.027 away. White text reads best on it, at 10.16:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.06:1 |
| White text | 10.16:1 |
Values
| HEX | #13446B |
| RGB | rgb(19, 68, 107) |
| HSL | hsl(207, 70%, 25%) |
| OKLCH | oklch(37.5% 0.084 246.9) |
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 #13446B | 10.16:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #13446B | 2.06:1 | Fails | Lc 10.7 | Not readable |
| #13446B text on white | 10.16:1 | AAA | Lc 93.3 | Preferred for body text |
| #13446B text on black | 2.06:1 | Fails | Lc -9.2 | 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
#C7DCF0
oklch(88.5% 0.036 246.9)
-
Step 300
300
#A0C5E8
oklch(80.9% 0.064 247.2)
-
Step 400
400
#6AA6DC
oklch(70.6% 0.101 246.9)
-
Step 500
500
#3E8FD3
oklch(63.1% 0.129 247.1)
-
Step 600
600
#1178C0
oklch(55.6% 0.14 246.9)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#085286
oklch(42.6% 0.108 247)
-
Step 900
900 (this color)
#13446B
oklch(37.5% 0.084 246.9)
-
Step 950
950
#0E283F
oklch(26.9% 0.054 248)
#13446B 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) | #32466D | 0.033 |
| Deuteranopia (no green cones) | #253E6A | 0.022 |
| Tritanopia (no blue cones) | #004D52 | 0.060 |
| Achromatopsia (no color) | #414141 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13446B
#13446B
oklch(37.5% 0.084 246.9)
- #5E3700
#5E3700
oklch(37.6% 0.083 67)
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 #13446B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.035
- Marine Blue #01386A ΔE 0.041
- Charcoal #264653 ΔE 0.046
- Light Navy #155084 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.056
Use #13446B 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.