#152F6F
Closest named color: Marine Blue (#01386A). oklch(32.8% 0.116 264.2), rgb(21, 47, 111).
Aa
White text reads best on this color (12.58:1).
About this color
#152F6F is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.116 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.029 away. White text reads best on it, at 12.58:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.66:1 |
| White text | 12.58:1 |
Values
| HEX | #152F6F |
| RGB | rgb(21, 47, 111) |
| HSL | hsl(223, 68%, 26%) |
| OKLCH | oklch(32.8% 0.116 264.2) |
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 #152F6F | 12.58:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #152F6F | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #152F6F text on white | 12.58:1 | AAA | Lc 98.1 | Preferred for body text |
| #152F6F text on black | 1.66:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAFA
oklch(88.6% 0.048 263.1)
-
Step 300
300
#A4C0FA
oklch(80.8% 0.088 264.5)
-
Step 400
400
#749EF7
oklch(70.7% 0.139 264)
-
Step 500
500
#5182F3
oklch(63% 0.178 264.3)
-
Step 600
600
#3769E2
oklch(55.6% 0.192 264.1)
-
Step 700
700
#2A56C4
oklch(49% 0.179 264.3)
-
Step 800
800
#23479F
oklch(42.6% 0.149 264.2)
-
Step 900
900 (this color)
#152F6F
oklch(32.8% 0.116 264.2)
-
Step 950
950
#14244A
oklch(27% 0.074 264.7)
#152F6F 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) | #003871 | 0.026 |
| Deuteranopia (no green cones) | #002F6E | 0.015 |
| Tritanopia (no blue cones) | #003F4A | 0.091 |
| Achromatopsia (no color) | #333333 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152F6F
#152F6F
oklch(32.8% 0.116 264.2)
- #453100
#453100
oklch(32.7% 0.067 83.7)
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 #152F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.029
- Marine #042E60 ΔE 0.030
- Prussian Blue #1D3557 ΔE 0.049
- Midnight Blue #191970 ΔE 0.052
- Twilight Blue #0A437A ΔE 0.058
- Royal #0C1793 ΔE 0.077
- Dark Blue Grey #1F3B4D ΔE 0.077
- Midnight Green #073B4C ΔE 0.079
Use #152F6F 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.