#0C244B
Closest named color: Oxford Blue (#1B263B). oklch(26.7% 0.078 259.7), rgb(12, 36, 75).
Aa
White text reads best on this color (15.33:1).
About this color
#0C244B is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.078 and its hue 260°. 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 15.33:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.33:1 |
Values
| HEX | #0C244B |
| RGB | rgb(12, 36, 75) |
| HSL | hsl(217, 72%, 17%) |
| OKLCH | oklch(26.7% 0.078 259.7) |
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 #0C244B | 15.33:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #0C244B | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #0C244B text on white | 15.33:1 | AAA | Lc 102.0 | Preferred for body text |
| #0C244B 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C5DAFC
oklch(88.4% 0.052 260)
-
Step 300
300
#9DC2FD
oklch(80.9% 0.093 259.6)
-
Step 400
400
#67A0FC
oklch(70.7% 0.148 259.6)
-
Step 500
500
#3C84FA
oklch(63% 0.191 259.9)
-
Step 600
600
#176AE9
oklch(55.5% 0.207 259.8)
-
Step 700
700
#0758CB
oklch(49.2% 0.192 259.7)
-
Step 800
800
#0C48A4
oklch(42.6% 0.16 259.9)
-
Step 900
900
#143E82
oklch(37.8% 0.124 259.8)
-
Step 950
950 (this color)
#0C244B
oklch(26.7% 0.078 259.7)
#0C244B 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) | #0F284C | 0.014 |
| Deuteranopia (no green cones) | #02224A | 0.012 |
| Tritanopia (no blue cones) | #002D33 | 0.061 |
| Achromatopsia (no color) | #252525 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C244B
#0C244B
oklch(26.7% 0.078 259.7)
- #342200
#342200
oklch(26.7% 0.056 79.3)
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 #0C244B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Marine #042E60 ΔE 0.046
- Dark #1B2431 ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.059
- Navy Blue #001146 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.062
- Rich Black #0D1B2A ΔE 0.065
- Dark Indigo #1F0954 ΔE 0.068
Use #0C244B 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.