#0F3D52
Closest named color: Midnight Green (#073B4C). oklch(34% 0.061 232.6), rgb(15, 61, 82).
Aa
White text reads best on this color (11.60:1).
About this color
#0F3D52 is a dark, muted blue. In OKLCH its lightness is 34%, its chroma 0.061 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.013 away. White text reads best on it, at 11.60:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.80:1 |
| White text | 11.60:1 |
Values
| HEX | #0F3D52 |
| RGB | rgb(15, 61, 82) |
| HSL | hsl(199, 69%, 19%) |
| OKLCH | oklch(34% 0.061 232.6) |
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 #0F3D52 | 11.60:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #0F3D52 | 1.80:1 | Fails | Lc 7.5 | Not readable |
| #0F3D52 text on white | 11.60:1 | AAA | Lc 96.4 | Preferred for body text |
| #0F3D52 text on black | 1.80:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE7
oklch(88.4% 0.025 234.5)
-
Step 300
300
#A4C6D9
oklch(80.8% 0.045 232.5)
-
Step 400
400
#71A9C7
oklch(70.7% 0.073 232.6)
-
Step 500
500
#4893B8
oklch(63.1% 0.093 232.3)
-
Step 600
600
#257DA4
oklch(55.7% 0.1 232.2)
-
Step 700
700
#15698D
oklch(49.1% 0.094 232.8)
-
Step 800
800
#165672
oklch(42.8% 0.077 232)
-
Step 900
900 (this color)
#0F3D52
oklch(34% 0.061 232.6)
-
Step 950
950
#112A36
oklch(27.1% 0.038 231.3)
#0F3D52 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) | #333C53 | 0.040 |
| Deuteranopia (no green cones) | #2A3652 | 0.034 |
| Tritanopia (no blue cones) | #004344 | 0.038 |
| Achromatopsia (no color) | #393939 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F3D52
#0F3D52
oklch(34% 0.061 232.6)
- #502E18
#502E18
oklch(33.9% 0.06 52.2)
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 #0F3D52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.013
- Dark Blue Grey #1F3B4D ΔE 0.015
- Prussian Blue #1D3557 ΔE 0.031
- Charcoal #264653 ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.043
- Gunmetal #293241 ΔE 0.045
- Onyx #343A40 ΔE 0.048
- Marine Blue #01386A ΔE 0.049
Use #0F3D52 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.