#1D3060
Closest named color: Marine (#042E60). oklch(32.2% 0.089 265.5), rgb(29, 48, 96).
Aa
White text reads best on this color (12.77:1).
About this color
#1D3060 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.089 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.024 away. White text reads best on it, at 12.77:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.64:1 |
| White text | 12.77:1 |
Values
| HEX | #1D3060 |
| RGB | rgb(29, 48, 96) |
| HSL | hsl(223, 54%, 25%) |
| OKLCH | oklch(32.2% 0.089 265.5) |
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 #1D3060 | 12.77:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #1D3060 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #1D3060 text on white | 12.77:1 | AAA | Lc 98.7 | Preferred for body text |
| #1D3060 text on black | 1.64:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#739CFF
oklch(70.7% 0.152 265.7)
-
Step 500
500
#4F7FFF
oklch(63.1% 0.197 265.6)
-
Step 600
600
#3060F9
oklch(55.6% 0.234 265.6)
-
Step 700
700
#244ED9
oklch(49.1% 0.217 265.5)
-
Step 800
800
#1E41AF
oklch(42.6% 0.18 265.4)
-
Step 900
900
#1D398A
oklch(37.7% 0.139 265.5)
-
Step 950
950 (this color)
#1D3060
oklch(32.2% 0.089 265.5)
#1D3060 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) | #183662 | 0.018 |
| Deuteranopia (no green cones) | #0B2F5F | 0.018 |
| Tritanopia (no blue cones) | #003B43 | 0.074 |
| Achromatopsia (no color) | #323232 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D3060
#1D3060
oklch(32.2% 0.089 265.5)
- #423000
#423000
oklch(32.1% 0.066 85.8)
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 #1D3060, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.024
- Prussian Blue #1D3557 ΔE 0.024
- Marine Blue #01386A ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.055
- Midnight Green #073B4C ΔE 0.058
- Gunmetal #293241 ΔE 0.059
- Midnight Blue #191970 ΔE 0.066
Use #1D3060 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.