#0F3856
Closest named color: Prussian Blue (#1D3557). oklch(32.9% 0.069 244.7), rgb(15, 56, 86).
Aa
White text reads best on this color (12.20:1).
About this color
#0F3856 is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.069 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.015 away. White text reads best on it, at 12.20:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.72:1 |
| White text | 12.20:1 |
Values
| HEX | #0F3856 |
| RGB | rgb(15, 56, 86) |
| HSL | hsl(205, 70%, 20%) |
| OKLCH | oklch(32.9% 0.069 244.7) |
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 #0F3856 | 12.20:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #0F3856 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #0F3856 text on white | 12.20:1 | AAA | Lc 97.6 | Preferred for body text |
| #0F3856 text on black | 1.72:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEB
oklch(88.6% 0.028 243.1)
-
Step 300
300
#A5C5E1
oklch(80.9% 0.053 244.9)
-
Step 400
400
#73A6D1
oklch(70.6% 0.083 244.8)
-
Step 500
500
#4C90C5
oklch(63.1% 0.106 244.2)
-
Step 600
600
#2C79B2
oklch(55.6% 0.116 244.7)
-
Step 700
700
#1D6699
oklch(49.2% 0.107 244.2)
-
Step 800
800
#1B537C
oklch(42.7% 0.089 244.6)
-
Step 900
900 (this color)
#0F3856
oklch(32.9% 0.069 244.7)
-
Step 950
950
#12293A
oklch(27.1% 0.043 242.6)
#0F3856 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) | #2A3957 | 0.030 |
| Deuteranopia (no green cones) | #203255 | 0.023 |
| Tritanopia (no blue cones) | #003F43 | 0.048 |
| Achromatopsia (no color) | #353535 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F3856
#0F3856
oklch(32.9% 0.069 244.7)
- #4D2C05
#4D2C05
oklch(32.8% 0.07 64.3)
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 #0F3856, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.015
- Midnight Green #073B4C ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.026
- Marine Blue #01386A ΔE 0.036
- Marine #042E60 ΔE 0.041
- Gunmetal #293241 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.056
Use #0F3856 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.