#2B1D48
Closest named color: Oxford Blue (#1B263B). oklch(27.3% 0.077 295.9), rgb(43, 29, 72).
Aa
White text reads best on this color (15.30:1).
About this color
#2B1D48 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.077 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.048 away. White text reads best on it, at 15.30:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.30:1 |
Values
| HEX | #2B1D48 |
| RGB | rgb(43, 29, 72) |
| HSL | hsl(260, 43%, 20%) |
| OKLCH | oklch(27.3% 0.077 295.9) |
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 #2B1D48 | 15.30:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #2B1D48 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #2B1D48 text on white | 15.30:1 | AAA | Lc 102.1 | Preferred for body text |
| #2B1D48 text on black | 1.37:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DBD3F8
oklch(88.5% 0.051 295.2)
-
Step 300
300
#C5B5F6
oklch(80.9% 0.092 295.6)
-
Step 400
400
#A98CF1
oklch(70.8% 0.146 295.7)
-
Step 500
500
#966BEC
oklch(63.2% 0.187 296)
-
Step 600
600
#814EDA
oklch(55.6% 0.204 295.8)
-
Step 700
700
#6E3EBD
oklch(49.2% 0.189 296.1)
-
Step 800
800
#593499
oklch(42.7% 0.157 295.9)
-
Step 900
900
#492F7A
oklch(37.7% 0.122 296)
-
Step 950
950 (this color)
#2B1D48
oklch(27.3% 0.077 295.9)
#2B1D48 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) | #0B2549 | 0.050 |
| Deuteranopia (no green cones) | #0F2547 | 0.047 |
| Tritanopia (no blue cones) | #24262F | 0.062 |
| Achromatopsia (no color) | #252525 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1D48
#2B1D48
oklch(27.3% 0.077 295.9)
- #262A00
#262A00
oklch(27.2% 0.062 115.2)
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 #2B1D48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.053
- Dark Purple #35063E ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.058
- Dark #1B2431 ΔE 0.060
- Eggplant #380835 ΔE 0.061
- Deep Purple #36013F ΔE 0.062
- Aubergine #3D0734 ΔE 0.066
Use #2B1D48 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.