#1D3362
Closest named color: Prussian Blue (#1D3557). oklch(33% 0.088 263.5), rgb(29, 51, 98).
Aa
White text reads best on this color (12.33:1).
About this color
#1D3362 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.088 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.022 away. White text reads best on it, at 12.33:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.70:1 |
| White text | 12.33:1 |
Values
| HEX | #1D3362 |
| RGB | rgb(29, 51, 98) |
| HSL | hsl(221, 54%, 25%) |
| OKLCH | oklch(33% 0.088 263.5) |
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 #1D3362 | 12.33:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #1D3362 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #1D3362 text on white | 12.33:1 | AAA | Lc 97.9 | Preferred for body text |
| #1D3362 text on black | 1.70:1 | 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 900.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CDDAF2
oklch(88.6% 0.036 262.8)
-
Step 300
300
#ABC1EC
oklch(80.9% 0.066 263.7)
-
Step 400
400
#7EA0E3
oklch(70.7% 0.106 263.3)
-
Step 500
500
#5E87DA
oklch(63.1% 0.134 263.2)
-
Step 600
600
#456FC8
oklch(55.7% 0.146 263.4)
-
Step 700
700
#375CAD
oklch(49.1% 0.136 263.7)
-
Step 800
800
#2E4C8C
oklch(42.8% 0.112 263.5)
-
Step 900
900 (this color)
#1D3362
oklch(33% 0.088 263.5)
-
Step 950
950
#182641
oklch(27.1% 0.054 262.5)
#1D3362 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) | #1C3864 | 0.015 |
| Deuteranopia (no green cones) | #103261 | 0.014 |
| Tritanopia (no blue cones) | #003E45 | 0.073 |
| Achromatopsia (no color) | #353535 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D3362
#1D3362
oklch(33% 0.088 263.5)
- #463200
#463200
oklch(33.1% 0.068 84.1)
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 #1D3362, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.022
- Marine Blue #01386A ΔE 0.025
- Marine #042E60 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.050
- Midnight Green #073B4C ΔE 0.055
- Twilight Blue #0A437A ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.058
- Gunmetal #293241 ΔE 0.060
Use #1D3362 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.