#0F143B
Closest named color: Navy Blue (#001146). oklch(21.4% 0.075 272.9), rgb(15, 20, 59).
Aa
White text reads best on this color (17.74:1).
About this color
#0F143B is a very dark, moderately saturated blue. In OKLCH its lightness is 21%, its chroma 0.075 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.032 away. White text reads best on it, at 17.74:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.18:1 |
| White text | 17.74:1 |
Values
| HEX | #0F143B |
| RGB | rgb(15, 20, 59) |
| HSL | hsl(233, 59%, 15%) |
| OKLCH | oklch(21.4% 0.075 272.9) |
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 #0F143B | 17.74:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #0F143B | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #0F143B text on white | 17.74:1 | AAA | Lc 104.3 | Preferred for body text |
| #0F143B text on black | 1.18:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FB
oklch(88.6% 0.049 272.8)
-
Step 300
300
#ADBDFB
oklch(80.8% 0.09 273.1)
-
Step 400
400
#8499F8
oklch(70.7% 0.141 272.9)
-
Step 500
500
#677CF5
oklch(63.1% 0.181 272.8)
-
Step 600
600
#5161E4
oklch(55.5% 0.197 272.9)
-
Step 700
700
#4250C6
oklch(49.2% 0.182 272.6)
-
Step 800
800
#3642A0
oklch(42.7% 0.152 272.7)
-
Step 900
900
#2E397F
oklch(37.7% 0.118 272.7)
-
Step 950
950 (this color)
#0F143B
oklch(21.4% 0.075 272.9)
#0F143B 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) | #001A3C | 0.024 |
| Deuteranopia (no green cones) | #00163A | 0.021 |
| Tritanopia (no blue cones) | #001D25 | 0.061 |
| Achromatopsia (no color) | #181818 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F143B
#0F143B
oklch(21.4% 0.075 272.9)
- #201800
#201800
oklch(21.3% 0.044 92.3)
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 #0F143B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.032
- Rich Black #0D1B2A ΔE 0.044
- Night Blue #040348 ΔE 0.052
- Dark Indigo #1F0954 ΔE 0.057
- Dark Navy #000435 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.064
- Dark #1B2431 ΔE 0.065
- Midnight Purple #280137 ΔE 0.067
Use #0F143B 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.