#0F263D
Closest named color: Oxford Blue (#1B263B). oklch(26.3% 0.052 250.5), rgb(15, 38, 61).
Aa
White text reads best on this color (15.38:1).
About this color
#0F263D is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.052 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.015 away. White text reads best on it, at 15.38:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.38:1 |
Values
| HEX | #0F263D |
| RGB | rgb(15, 38, 61) |
| HSL | hsl(210, 61%, 15%) |
| OKLCH | oklch(26.3% 0.052 250.5) |
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 #0F263D | 15.38:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #0F263D | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #0F263D text on white | 15.38:1 | AAA | Lc 102.2 | Preferred for body text |
| #0F263D text on black | 1.36:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300
#A3C4E8
oklch(80.8% 0.062 250.8)
-
Step 400
400
#70A5DC
oklch(70.7% 0.099 250.2)
-
Step 500
500
#488DD3
oklch(63% 0.127 250.8)
-
Step 600
600
#2676C0
oklch(55.6% 0.138 250.5)
-
Step 700
700
#1763A6
oklch(49.1% 0.128 250.4)
-
Step 800
800
#175186
oklch(42.7% 0.106 250.3)
-
Step 900
900
#1B446B
oklch(37.8% 0.081 249.9)
-
Step 950
950 (this color)
#0F263D
oklch(26.3% 0.052 250.5)
#0F263D 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) | #1C273E | 0.018 |
| Deuteranopia (no green cones) | #16233D | 0.012 |
| Tritanopia (no blue cones) | #002B2E | 0.040 |
| Achromatopsia (no color) | #252525 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F263D
#0F263D
oklch(26.3% 0.052 250.5)
- #342003
#342003
oklch(26.3% 0.052 72.5)
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 #0F263D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.015
- Dark #1B2431 ΔE 0.025
- Jet #212529 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.050
- Gunmetal #293241 ΔE 0.058
- Marine #042E60 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.067
Use #0F263D 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.