#152C6B
Closest named color: Marine (#042E60). oklch(31.7% 0.114 265.2), rgb(21, 44, 107).
Aa
White text reads best on this color (13.08:1).
About this color
#152C6B is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.114 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.025 away. White text reads best on it, at 13.08:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.60:1 |
| White text | 13.08:1 |
Values
| HEX | #152C6B |
| RGB | rgb(21, 44, 107) |
| HSL | hsl(224, 67%, 25%) |
| OKLCH | oklch(31.7% 0.114 265.2) |
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 #152C6B | 13.08:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #152C6B | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #152C6B text on white | 13.08:1 | AAA | Lc 99.0 | Preferred for body text |
| #152C6B text on black | 1.60:1 | 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
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4E7FFF
oklch(63% 0.198 265.3)
-
Step 600
600
#2B5EFF
oklch(55.6% 0.244 265.2)
-
Step 700
700
#143AFB
oklch(49.1% 0.279 265.2)
-
Step 800
800
#1033CA
oklch(42.6% 0.231 265.2)
-
Step 900
900
#11319F
oklch(37.7% 0.18 265.1)
-
Step 950
950 (this color)
#152C6B
oklch(31.7% 0.114 265.2)
#152C6B 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) | #00356D | 0.026 |
| Deuteranopia (no green cones) | #002D6A | 0.015 |
| Tritanopia (no blue cones) | #003C47 | 0.090 |
| Achromatopsia (no color) | #313131 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152C6B
#152C6B
oklch(31.7% 0.114 265.2)
- #412F00
#412F00
oklch(31.7% 0.065 85.4)
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 #152C6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.025
- Marine Blue #01386A ΔE 0.035
- Midnight Blue #191970 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.049
- Twilight Blue #0A437A ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.078
- Royal #0C1793 ΔE 0.079
- Space Cadet #2B2D42 ΔE 0.079
Use #152C6B 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.