#0F1434
Closest named color: Rich Black (#0D1B2A). oklch(20.8% 0.063 273), rgb(15, 20, 52).
Aa
White text reads best on this color (17.94:1).
About this color
#0F1434 is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.063 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.034 away. White text reads best on it, at 17.94:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 17.94:1 |
Values
| HEX | #0F1434 |
| RGB | rgb(15, 20, 52) |
| HSL | hsl(232, 55%, 13%) |
| OKLCH | oklch(20.8% 0.063 273) |
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 #0F1434 | 17.94:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #0F1434 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #0F1434 text on white | 17.94:1 | AAA | Lc 104.6 | Preferred for body text |
| #0F1434 text on black | 1.16:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D0D8F5
oklch(88.5% 0.041 273.3)
-
Step 300
300
#B0BEF1
oklch(80.8% 0.074 272.7)
-
Step 400
400
#889BEB
oklch(70.7% 0.119 272.8)
-
Step 500
500
#6C80E4
oklch(63.1% 0.151 272.8)
-
Step 600
600
#5667D2
oklch(55.6% 0.164 273.1)
-
Step 700
700
#4655B6
oklch(49.1% 0.153 272.8)
-
Step 800
800
#3A4693
oklch(42.7% 0.126 273.2)
-
Step 900
900
#313C76
oklch(37.8% 0.099 272.7)
-
Step 950
950 (this color)
#0F1434
oklch(20.8% 0.063 273)
#0F1434 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) | #031935 | 0.021 |
| Deuteranopia (no green cones) | #001533 | 0.022 |
| Tritanopia (no blue cones) | #001B21 | 0.054 |
| Achromatopsia (no color) | #171717 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F1434
#0F1434
oklch(20.8% 0.063 273)
- #1E1700
#1E1700
oklch(20.7% 0.042 94.1)
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 #0F1434, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.034
- Navy Blue #001146 ΔE 0.042
- Dark Navy #000435 ΔE 0.059
- Night Blue #040348 ΔE 0.060
- Dark #1B2431 ΔE 0.062
- Rich Navy #001219 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.065
- Midnight Purple #280137 ΔE 0.068
Use #0F1434 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.