#2448AC
Closest named color: Sapphire (#2138AB). oklch(44% 0.166 265.1), rgb(36, 72, 172).
Aa
White text reads best on this color (8.08:1).
About this color
#2448AC is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.166 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.038 away. White text reads best on it, at 8.08:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.59:1 |
| White text | 8.08:1 |
Values
| HEX | #2448AC |
| RGB | rgb(36, 72, 172) |
| HSL | hsl(224, 65%, 41%) |
| OKLCH | oklch(44% 0.166 265.1) |
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 #2448AC | 8.08:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #2448AC | 2.59:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #2448AC text on white | 8.08:1 | AAA | Lc 87.4 | Fine for body text |
| #2448AC text on black | 2.59:1 | Fails | Lc -14.7 | 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 800.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8D9FE
oklch(88.5% 0.054 265.8)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4D7FFF
oklch(63% 0.198 265.1)
-
Step 600
600
#3364EF
oklch(55.6% 0.216 265.1)
-
Step 700
700
#2752D0
oklch(49.1% 0.2 265.1)
-
Step 800
800 (this color)
#2448AC
oklch(44% 0.166 265.1)
-
Step 900
900
#1F3B85
oklch(37.7% 0.129 265.1)
-
Step 950
950
#12234E
oklch(26.9% 0.082 265.1)
#2448AC 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) | #0056AF | 0.036 |
| Deuteranopia (no green cones) | #004AAA | 0.019 |
| Tritanopia (no blue cones) | #006173 | 0.129 |
| Achromatopsia (no color) | #505050 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2448AC
#2448AC
oklch(44% 0.166 265.1)
- #694E00
#694E00
oklch(44.1% 0.09 85.6)
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 #2448AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.038
- Blue Blue #2242C7 ΔE 0.045
- Cobalt #1E488F ΔE 0.048
- Blueberry #464196 ΔE 0.054
- Dusk Blue #26538D ΔE 0.062
- Majorelle Blue #3F37C9 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.071
- Light Navy #155084 ΔE 0.072
Use #2448AC 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.