#13426C
Closest named color: Twilight Blue (#0A437A). oklch(37.1% 0.088 249.5), rgb(19, 66, 108).
Aa
White text reads best on this color (10.37:1).
About this color
#13426C is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.088 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.024 away. White text reads best on it, at 10.37:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #13426C |
| RGB | rgb(19, 66, 108) |
| HSL | hsl(208, 70%, 25%) |
| OKLCH | oklch(37.1% 0.088 249.5) |
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 #13426C | 10.37:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #13426C | 2.02:1 | Fails | Lc 10.2 | Not readable |
| #13426C text on white | 10.37:1 | AAA | Lc 93.8 | Preferred for body text |
| #13426C text on black | 2.02:1 | Fails | Lc -8.8 | 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
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300
#A1C5EA
oklch(81% 0.065 249.3)
-
Step 400
400
#6BA5E0
oklch(70.6% 0.106 249.9)
-
Step 500
500
#408ED7
oklch(63.2% 0.134 249.5)
-
Step 600
600
#1676C4
oklch(55.5% 0.146 249.5)
-
Step 700
700
#0363AA
oklch(49.1% 0.137 249.7)
-
Step 800
800
#0C5189
oklch(42.6% 0.112 249.5)
-
Step 900
900 (this color)
#13426C
oklch(37.1% 0.088 249.5)
-
Step 950
950
#0E2840
oklch(27% 0.055 249)
#13426C 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) | #2E446E | 0.028 |
| Deuteranopia (no green cones) | #213C6B | 0.020 |
| Tritanopia (no blue cones) | #004C51 | 0.065 |
| Achromatopsia (no color) | #404040 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13426C
#13426C
oklch(37.1% 0.088 249.5)
- #5B3700
#5B3700
oklch(37.2% 0.081 69.5)
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 #13426C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.024
- Marine Blue #01386A ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.049
- Charcoal #264653 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.054
- Light Navy #155084 ΔE 0.054
- Midnight Green #073B4C ΔE 0.059
Use #13426C 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.