#0F1F54
Closest named color: Marine (#042E60). oklch(26.4% 0.099 266.6), rgb(15, 31, 84).
Aa
White text reads best on this color (15.62:1).
About this color
#0F1F54 is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.099 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.047 away. White text reads best on it, at 15.62:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.34:1 |
| White text | 15.62:1 |
Values
| HEX | #0F1F54 |
| RGB | rgb(15, 31, 84) |
| HSL | hsl(226, 70%, 19%) |
| OKLCH | oklch(26.4% 0.099 266.6) |
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 #0F1F54 | 15.62:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #0F1F54 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #0F1F54 text on white | 15.62:1 | AAA | Lc 102.2 | Preferred for body text |
| #0F1F54 text on black | 1.34:1 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#759BFF
oklch(70.6% 0.153 266.8)
-
Step 500
500
#537EFF
oklch(63.1% 0.197 266.8)
-
Step 600
600
#335DFF
oklch(55.7% 0.244 266.6)
-
Step 700
700
#2546E6
oklch(49% 0.241 266.7)
-
Step 800
800
#1E3BBA
oklch(42.6% 0.201 266.6)
-
Step 900
900
#1C3693
oklch(37.8% 0.156 266.5)
-
Step 950
950 (this color)
#0F1F54
oklch(26.4% 0.099 266.6)
#0F1F54 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) | #002756 | 0.024 |
| Deuteranopia (no green cones) | #002053 | 0.014 |
| Tritanopia (no blue cones) | #002C36 | 0.077 |
| Achromatopsia (no color) | #232323 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F1F54
#0F1F54
oklch(26.4% 0.099 266.6)
- #302300
#302300
oklch(26.4% 0.054 87.8)
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 #0F1F54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.047
- Dark Indigo #1F0954 ΔE 0.050
- Midnight Blue #191970 ΔE 0.053
- Navy Blue #001146 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.057
- Darkblue #030764 ΔE 0.058
- Dark Royal Blue #02066F ΔE 0.067
- Dark #1B2431 ΔE 0.072
Use #0F1F54 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.