#152B5A
Closest named color: Marine (#042E60). oklch(30.1% 0.089 263.2), rgb(21, 43, 90).
Aa
White text reads best on this color (13.76:1).
About this color
#152B5A is a dark, moderately saturated blue. In OKLCH its lightness is 30%, its chroma 0.089 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.017 away. White text reads best on it, at 13.76:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.52:1 |
| White text | 13.76:1 |
Values
| HEX | #152B5A |
| RGB | rgb(21, 43, 90) |
| HSL | hsl(221, 62%, 22%) |
| OKLCH | oklch(30.1% 0.089 263.2) |
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 #152B5A | 13.76:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #152B5A | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #152B5A text on white | 13.76:1 | AAA | Lc 100.1 | Preferred for body text |
| #152B5A text on black | 1.52:1 | 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
#DFEAFF
oklch(93.5% 0.031 263.5)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A0C1FF
oklch(80.9% 0.095 262.7)
-
Step 400
400
#6D9DFF
oklch(70.6% 0.153 263.3)
-
Step 500
500
#4681FF
oklch(63.1% 0.198 263.1)
-
Step 600
600
#2162F9
oklch(55.5% 0.235 263.2)
-
Step 700
700
#1550D9
oklch(49.1% 0.217 263.2)
-
Step 800
800
#1443B0
oklch(42.8% 0.181 263.2)
-
Step 900
900
#163A8B
oklch(37.7% 0.141 263.2)
-
Step 950
950 (this color)
#152B5A
oklch(30.1% 0.089 263.2)
#152B5A 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) | #11305C | 0.015 |
| Deuteranopia (no green cones) | #012A59 | 0.017 |
| Tritanopia (no blue cones) | #00363E | 0.071 |
| Achromatopsia (no color) | #2D2D2D | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152B5A
#152B5A
oklch(30.1% 0.089 263.2)
- #3D2A00
#3D2A00
oklch(30% 0.062 82)
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 #152B5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.017
- Prussian Blue #1D3557 ΔE 0.035
- Marine Blue #01386A ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.056
- Midnight Blue #191970 ΔE 0.059
- Gunmetal #293241 ΔE 0.061
- Midnight Green #073B4C ΔE 0.062
Use #152B5A 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.