#28224D
Closest named color: Oxford Blue (#1B263B). oklch(28.4% 0.076 286.9), rgb(40, 34, 77).
Aa
White text reads best on this color (14.72:1).
About this color
#28224D is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.076 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.044 away. White text reads best on it, at 14.72:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.72:1 |
Values
| HEX | #28224D |
| RGB | rgb(40, 34, 77) |
| HSL | hsl(248, 39%, 22%) |
| OKLCH | oklch(28.4% 0.076 286.9) |
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 #28224D | 14.72:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #28224D | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #28224D text on white | 14.72:1 | AAA | Lc 101.4 | Preferred for body text |
| #28224D 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
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5FA
oklch(88.6% 0.051 286.6)
-
Step 300
300
#BCB8F9
oklch(80.9% 0.091 287)
-
Step 400
400
#9B91F6
oklch(70.8% 0.145 286.6)
-
Step 500
500
#8571F2
oklch(63.1% 0.186 286.9)
-
Step 600
600
#7156E0
oklch(55.7% 0.2 287)
-
Step 700
700
#5F45C3
oklch(49.2% 0.187 286.9)
-
Step 800
800
#4D3A9D
oklch(42.8% 0.154 286.8)
-
Step 900
900
#3F337D
oklch(37.7% 0.12 286.5)
-
Step 950
950 (this color)
#28224D
oklch(28.4% 0.076 286.9)
#28224D 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) | #0F294F | 0.038 |
| Deuteranopia (no green cones) | #0F274C | 0.037 |
| Tritanopia (no blue cones) | #1D2B33 | 0.065 |
| Achromatopsia (no color) | #282828 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28224D
#28224D
oklch(28.4% 0.076 286.9)
- #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 #28224D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.045
- Marine #042E60 ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.058
- Dark #1B2431 ΔE 0.060
- Gunmetal #293241 ΔE 0.061
- Dark Indigo #1F0954 ΔE 0.064
- Dark Purple #35063E ΔE 0.070
Use #28224D 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.