#28224B
Closest named color: Oxford Blue (#1B263B). oklch(28.2% 0.073 287.5), rgb(40, 34, 75).
Aa
White text reads best on this color (14.78:1).
About this color
#28224B is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.073 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.041 away. White text reads best on it, at 14.78:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.78:1 |
Values
| HEX | #28224B |
| RGB | rgb(40, 34, 75) |
| HSL | hsl(249, 38%, 21%) |
| OKLCH | oklch(28.2% 0.073 287.5) |
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 #28224B | 14.78:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #28224B | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #28224B text on white | 14.78:1 | AAA | Lc 101.5 | Preferred for body text |
| #28224B text on black | 1.42:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F8
oklch(88.5% 0.048 286.7)
-
Step 300
300
#BDB8F6
oklch(80.8% 0.087 288)
-
Step 400
400
#9C91F2
oklch(70.6% 0.139 287.5)
-
Step 500
500
#8673ED
oklch(63.2% 0.177 287.4)
-
Step 600
600
#7157DB
oklch(55.5% 0.193 287.4)
-
Step 700
700
#5F46BE
oklch(49% 0.179 287.4)
-
Step 800
800
#4E3B9A
oklch(42.8% 0.148 287.6)
-
Step 900
900
#40347A
oklch(37.7% 0.115 287.5)
-
Step 950
950 (this color)
#28224B
oklch(28.2% 0.073 287.5)
#28224B 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) | #11294C | 0.037 |
| Deuteranopia (no green cones) | #11274A | 0.036 |
| Tritanopia (no blue cones) | #1E2A33 | 0.060 |
| Achromatopsia (no color) | #282828 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28224B
#28224B
oklch(28.2% 0.073 287.5)
- #2D2B00
#2D2B00
oklch(28.2% 0.06 107)
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 #28224B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.043
- Dark #1B2431 ΔE 0.056
- Marine #042E60 ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.059
- Gunmetal #293241 ΔE 0.059
- Dark Indigo #1F0954 ΔE 0.065
- Jet #212529 ΔE 0.069
Use #28224B 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.