#0F2140
Closest named color: Oxford Blue (#1B263B). oklch(25.1% 0.064 260.5), rgb(15, 33, 64).
Aa
White text reads best on this color (16.00:1).
About this color
#0F2140 is a dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.064 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.028 away. White text reads best on it, at 16.00:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.31:1 |
| White text | 16.00:1 |
Values
| HEX | #0F2140 |
| RGB | rgb(15, 33, 64) |
| HSL | hsl(218, 62%, 15%) |
| OKLCH | oklch(25.1% 0.064 260.5) |
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 #0F2140 | 16.00:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #0F2140 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #0F2140 text on white | 16.00:1 | AAA | Lc 102.8 | Preferred for body text |
| #0F2140 text on black | 1.31:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF5
oklch(88.5% 0.041 260.9)
-
Step 300
300
#A5C2F2
oklch(80.9% 0.075 260.4)
-
Step 400
400
#74A1EB
oklch(70.7% 0.12 260)
-
Step 500
500
#5087E5
oklch(63.1% 0.154 260.4)
-
Step 600
600
#346ED3
oklch(55.5% 0.167 260.6)
-
Step 700
700
#275CB7
oklch(49.2% 0.155 260.5)
-
Step 800
800
#214B94
oklch(42.6% 0.129 260.6)
-
Step 900
900
#204076
oklch(37.8% 0.1 260.2)
-
Step 950
950 (this color)
#0F2140
oklch(25.1% 0.064 260.5)
#0F2140 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) | #122441 | 0.011 |
| Deuteranopia (no green cones) | #0A1F3F | 0.009 |
| Tritanopia (no blue cones) | #00282D | 0.051 |
| Achromatopsia (no color) | #212121 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F2140
#0F2140
oklch(25.1% 0.064 260.5)
- #2F1F00
#2F1F00
oklch(25.3% 0.052 80.8)
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 #0F2140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.028
- Dark #1B2431 ΔE 0.036
- Rich Black #0D1B2A ΔE 0.044
- Jet #212529 ΔE 0.055
- Navy Blue #001146 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.062
- Marine #042E60 ΔE 0.066
- Dark Indigo #1F0954 ΔE 0.071
Use #0F2140 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.