#2B2148
Closest named color: Oxford Blue (#1B263B). oklch(28.1% 0.07 293.2), rgb(43, 33, 72).
Aa
White text reads best on this color (14.85:1).
About this color
#2B2148 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.070 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.041 away. White text reads best on it, at 14.85:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.85:1 |
Values
| HEX | #2B2148 |
| RGB | rgb(43, 33, 72) |
| HSL | hsl(255, 37%, 21%) |
| OKLCH | oklch(28.1% 0.07 293.2) |
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 #2B2148 | 14.85:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #2B2148 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #2B2148 text on white | 14.85:1 | AAA | Lc 101.6 | Preferred for body text |
| #2B2148 text on black | 1.41:1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F6
oklch(88.5% 0.047 293.5)
-
Step 300
300
#C2B7F2
oklch(80.9% 0.083 293)
-
Step 400
400
#A48FEB
oklch(70.6% 0.133 293.2)
-
Step 500
500
#9071E5
oklch(63.2% 0.169 293.3)
-
Step 600
600
#7B56D3
oklch(55.6% 0.184 293.1)
-
Step 700
700
#6845B7
oklch(49.1% 0.172 293.2)
-
Step 800
800
#543A94
oklch(42.7% 0.141 292.7)
-
Step 900
900
#453376
oklch(37.7% 0.11 292.7)
-
Step 950
950 (this color)
#2B2148
oklch(28.1% 0.07 293.2)
#2B2148 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) | #132849 | 0.040 |
| Deuteranopia (no green cones) | #142747 | 0.039 |
| Tritanopia (no blue cones) | #242931 | 0.057 |
| Achromatopsia (no color) | #272727 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2148
#2B2148
oklch(28.1% 0.07 293.2)
- #292C00
#292C00
oklch(28.1% 0.063 113.7)
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 #2B2148, 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 0.042
- Dark #1B2431 ΔE 0.055
- Gunmetal #293241 ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.063
- Dark Purple #35063E ΔE 0.064
- Marine #042E60 ΔE 0.066
- Jet #212529 ΔE 0.066
Use #2B2148 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.