#0E375B
Closest named color: Prussian Blue (#1D3557). oklch(32.9% 0.078 249.2), rgb(14, 55, 91).
Aa
White text reads best on this color (12.23:1).
About this color
#0E375B is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.078 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.014 away. White text reads best on it, at 12.23:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.71:1 |
| White text | 12.23:1 |
Values
| HEX | #0E375B |
| RGB | rgb(14, 55, 91) |
| HSL | hsl(208, 73%, 21%) |
| OKLCH | oklch(32.9% 0.078 249.2) |
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 #0E375B | 12.23:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #0E375B | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #0E375B text on white | 12.23:1 | AAA | Lc 97.6 | Preferred for body text |
| #0E375B text on black | 1.71:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DBEE
oklch(88.4% 0.033 249.6)
-
Step 300
300
#A4C4E5
oklch(80.8% 0.058 249.3)
-
Step 400
400
#72A5D9
oklch(70.6% 0.094 249.7)
-
Step 500
500
#4A8ECE
oklch(63.1% 0.119 249)
-
Step 600
600
#2A77BB
oklch(55.6% 0.129 249.1)
-
Step 700
700
#1B64A1
oklch(49.1% 0.12 248.8)
-
Step 800
800
#1A5283
oklch(42.8% 0.1 249)
-
Step 900
900 (this color)
#0E375B
oklch(32.9% 0.078 249.2)
-
Step 950
950
#12283D
oklch(27% 0.048 249)
#0E375B 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) | #26395C | 0.026 |
| Deuteranopia (no green cones) | #1B325A | 0.018 |
| Tritanopia (no blue cones) | #004044 | 0.058 |
| Achromatopsia (no color) | #353535 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0E375B
#0E375B
oklch(32.9% 0.078 249.2)
- #4C2D00
#4C2D00
oklch(32.8% 0.071 69.3)
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 #0E375B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.014
- Marine Blue #01386A ΔE 0.026
- Marine #042E60 ΔE 0.033
- Midnight Green #073B4C ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.035
- Gunmetal #293241 ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.059
Use #0E375B 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.