#0F1E3F
Closest named color: Oxford Blue (#1B263B). oklch(24.3% 0.066 263.8), rgb(15, 30, 63).
Aa
White text reads best on this color (16.43:1).
About this color
#0F1E3F is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.066 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.036 away. White text reads best on it, at 16.43:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.27:1 |
| White text | 16.43:1 |
Values
| HEX | #0F1E3F |
| RGB | rgb(15, 30, 63) |
| HSL | hsl(221, 62%, 15%) |
| OKLCH | oklch(24.3% 0.066 263.8) |
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 #0F1E3F | 16.43:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #0F1E3F | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #0F1E3F text on white | 16.43:1 | AAA | Lc 103.2 | Preferred for body text |
| #0F1E3F text on black | 1.27:1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBDAF7
oklch(88.6% 0.043 263.7)
-
Step 300
300
#A7C1F4
oklch(80.9% 0.078 263.6)
-
Step 400
400
#789FEF
oklch(70.8% 0.125 263.7)
-
Step 500
500
#5684E9
oklch(63% 0.16 264)
-
Step 600
600
#3C6CD8
oklch(55.7% 0.174 263.7)
-
Step 700
700
#2F59BB
oklch(49.1% 0.162 263.9)
-
Step 800
800
#274997
oklch(42.6% 0.134 263.9)
-
Step 900
900
#243E78
oklch(37.6% 0.104 263.9)
-
Step 950
950 (this color)
#0F1E3F
oklch(24.3% 0.066 263.8)
#0F1E3F 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) | #0E2240 | 0.013 |
| Deuteranopia (no green cones) | #051D3E | 0.012 |
| Tritanopia (no blue cones) | #00262B | 0.055 |
| Achromatopsia (no color) | #1F1F1F | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F1E3F
#0F1E3F
oklch(24.3% 0.066 263.8)
- #2B1D00
#2B1D00
oklch(24.2% 0.05 83)
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 #0F1E3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Rich Black #0D1B2A ΔE 0.041
- Dark #1B2431 ΔE 0.042
- Navy Blue #001146 ΔE 0.048
- Jet #212529 ΔE 0.060
- Dark Indigo #1F0954 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.070
- Marine #042E60 ΔE 0.073
Use #0F1E3F 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.