#0F2D52
Closest named color: Marine (#042E60). oklch(29.7% 0.076 255.4), rgb(15, 45, 82).
Aa
White text reads best on this color (13.83:1).
About this color
#0F2D52 is a dark, moderately saturated blue. In OKLCH its lightness is 30%, its chroma 0.076 and its hue 255°. 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 13.83:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.51:1 |
| White text | 13.83:1 |
Values
| HEX | #0F2D52 |
| RGB | rgb(15, 45, 82) |
| HSL | hsl(213, 69%, 19%) |
| OKLCH | oklch(29.7% 0.076 255.4) |
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 #0F2D52 | 13.83:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #0F2D52 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #0F2D52 text on white | 13.83:1 | AAA | Lc 100.2 | Preferred for body text |
| #0F2D52 text on black | 1.51:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C4DBFB
oklch(88.5% 0.051 256.7)
-
Step 300
300
#9AC4FB
oklch(81% 0.09 255.4)
-
Step 400
400
#5FA2F8
oklch(70.6% 0.144 255.4)
-
Step 500
500
#2B88F5
oklch(63.1% 0.184 255.4)
-
Step 600
600
#0070DC
oklch(55.6% 0.186 255.4)
-
Step 700
700
#005EBA
oklch(49.1% 0.163 255.3)
-
Step 800
800
#004D9A
oklch(42.7% 0.142 255.2)
-
Step 900
900
#06407F
oklch(37.7% 0.12 255.4)
-
Step 950
950 (this color)
#0F2D52
oklch(29.7% 0.076 255.4)
#0F2D52 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) | #1B3053 | 0.017 |
| Deuteranopia (no green cones) | #102A51 | 0.009 |
| Tritanopia (no blue cones) | #00363B | 0.059 |
| Achromatopsia (no color) | #2D2D2D | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F2D52
#0F2D52
oklch(29.7% 0.076 255.4)
- #3F2800
#3F2800
oklch(29.8% 0.063 75.7)
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 #0F2D52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.025
- Prussian Blue #1D3557 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.045
- Marine Blue #01386A ΔE 0.050
- Midnight Green #073B4C ΔE 0.050
- Gunmetal #293241 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.054
Use #0F2D52 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.