#0F263F
Closest named color: Oxford Blue (#1B263B). oklch(26.4% 0.055 252.3), rgb(15, 38, 63).
Aa
White text reads best on this color (15.33:1).
About this color
#0F263F is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.055 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.016 away. White text reads best on it, at 15.33:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.33:1 |
Values
| HEX | #0F263F |
| RGB | rgb(15, 38, 63) |
| HSL | hsl(211, 62%, 15%) |
| OKLCH | oklch(26.4% 0.055 252.3) |
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 #0F263F | 15.33:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #0F263F | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #0F263F text on white | 15.33:1 | AAA | Lc 102.1 | Preferred for body text |
| #0F263F 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
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF1
oklch(88.4% 0.037 252.1)
-
Step 300
300
#A3C4EA
oklch(80.9% 0.065 252.2)
-
Step 400
400
#6FA4E0
oklch(70.6% 0.105 252.3)
-
Step 500
500
#478CD8
oklch(63% 0.135 252.7)
-
Step 600
600
#2575C5
oklch(55.6% 0.145 252.3)
-
Step 700
700
#1662AA
oklch(49.1% 0.135 252)
-
Step 800
800
#16508A
oklch(42.7% 0.112 252.3)
-
Step 900
900
#1A436E
oklch(37.7% 0.087 252.1)
-
Step 950
950 (this color)
#0F263F
oklch(26.4% 0.055 252.3)
#0F263F 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) | #1B2740 | 0.016 |
| Deuteranopia (no green cones) | #14233E | 0.011 |
| Tritanopia (no blue cones) | #002C2F | 0.044 |
| Achromatopsia (no color) | #252525 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F263F
#0F263F
oklch(26.4% 0.055 252.3)
- #352001
#352001
oklch(26.4% 0.055 72.8)
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 #0F263F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.016
- Dark #1B2431 ΔE 0.028
- Jet #212529 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.051
- Gunmetal #293241 ΔE 0.057
- Marine #042E60 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.065
Use #0F263F 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.