#152E52
Closest named color: Prussian Blue (#1D3557). oklch(30.2% 0.072 257.7), rgb(21, 46, 82).
Aa
White text reads best on this color (13.59:1).
About this color
#152E52 is a dark, moderately saturated blue. In OKLCH its lightness is 30%, its chroma 0.072 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.026 away. White text reads best on it, at 13.59:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.54:1 |
| White text | 13.59:1 |
Values
| HEX | #152E52 |
| RGB | rgb(21, 46, 82) |
| HSL | hsl(215, 59%, 20%) |
| OKLCH | oklch(30.2% 0.072 257.7) |
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 #152E52 | 13.59:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #152E52 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #152E52 text on white | 13.59:1 | AAA | Lc 99.9 | Preferred for body text |
| #152E52 text on black | 1.54:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBF9
oklch(88.5% 0.047 257.3)
-
Step 300
300
#9EC3F8
oklch(80.9% 0.085 257.3)
-
Step 400
400
#68A1F5
oklch(70.6% 0.138 258)
-
Step 500
500
#3C87F1
oklch(63.1% 0.176 257.7)
-
Step 600
600
#156EE0
oklch(55.6% 0.191 257.7)
-
Step 700
700
#035BC2
oklch(49.1% 0.177 257.7)
-
Step 800
800
#0B4B9D
oklch(42.7% 0.147 257.8)
-
Step 900
900
#13407D
oklch(37.8% 0.114 257.4)
-
Step 950
950 (this color)
#152E52
oklch(30.2% 0.072 257.7)
#152E52 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) | #1D3153 | 0.014 |
| Deuteranopia (no green cones) | #142B51 | 0.010 |
| Tritanopia (no blue cones) | #00363C | 0.057 |
| Achromatopsia (no color) | #2E2E2E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152E52
#152E52
oklch(30.2% 0.072 257.7)
- #3F2900
#3F2900
oklch(30% 0.063 77.5)
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 #152E52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.026
- Marine #042E60 ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.045
- Gunmetal #293241 ΔE 0.045
- Midnight Green #073B4C ΔE 0.047
- Marine Blue #01386A ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.049
Use #152E52 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.