#0D273D
Closest named color: Oxford Blue (#1B263B). oklch(26.5% 0.052 247), rgb(13, 39, 61).
Aa
White text reads best on this color (15.27:1).
About this color
#0D273D is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.052 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.017 away. White text reads best on it, at 15.27:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.27:1 |
Values
| HEX | #0D273D |
| RGB | rgb(13, 39, 61) |
| HSL | hsl(207, 65%, 15%) |
| OKLCH | oklch(26.5% 0.052 247) |
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 #0D273D | 15.27:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #0D273D | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #0D273D text on white | 15.27:1 | AAA | Lc 102.0 | Preferred for body text |
| #0D273D text on black | 1.37:1 | 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
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEF
oklch(88.5% 0.034 246.8)
-
Step 300
300
#A1C5E7
oklch(80.9% 0.062 247.1)
-
Step 400
400
#6CA6DB
oklch(70.6% 0.099 247.2)
-
Step 500
500
#408FD1
oklch(63.1% 0.126 246.8)
-
Step 600
600
#1778BE
oklch(55.6% 0.137 246.7)
-
Step 700
700
#0364A4
oklch(49% 0.128 247.1)
-
Step 800
800
#0C5285
oklch(42.6% 0.106 247.1)
-
Step 900
900
#15446B
oklch(37.6% 0.084 247.6)
-
Step 950
950 (this color)
#0D273D
oklch(26.5% 0.052 247)
#0D273D 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) | #1D283E | 0.021 |
| Deuteranopia (no green cones) | #17233D | 0.017 |
| Tritanopia (no blue cones) | #002C2F | 0.038 |
| Achromatopsia (no color) | #252525 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D273D
#0D273D
oklch(26.5% 0.052 247)
- #361F05
#361F05
oklch(26.4% 0.052 65.5)
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 #0D273D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.017
- Dark #1B2431 ΔE 0.026
- Jet #212529 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.050
- Gunmetal #293241 ΔE 0.056
- Marine #042E60 ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.066
Use #0D273D 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.