#2B1B33
Closest named color: Dark (#1B2431). oklch(25.4% 0.049 313.8), rgb(43, 27, 51).
Aa
White text reads best on this color (16.06:1).
About this color
#2B1B33 is a dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.049 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.041 away. White text reads best on it, at 16.06:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.30:1 |
| White text | 16.06:1 |
Values
| HEX | #2B1B33 |
| RGB | rgb(43, 27, 51) |
| HSL | hsl(280, 31%, 15%) |
| OKLCH | oklch(25.4% 0.049 313.8) |
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 #2B1B33 | 16.06:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #2B1B33 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #2B1B33 text on white | 16.06:1 | AAA | Lc 102.9 | Preferred for body text |
| #2B1B33 text on black | 1.30:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F2
oklch(93.7% 0.016 313.6)
-
Step 200
200
#E1D3E8
oklch(88.4% 0.032 314.7)
-
Step 300
300
#CEB6DB
oklch(80.8% 0.057 313.8)
-
Step 400
400
#B68FC9
oklch(70.7% 0.093 314.4)
-
Step 500
500
#A373BC
oklch(63.2% 0.118 313.5)
-
Step 600
600
#8E5AA8
oklch(55.6% 0.129 313.6)
-
Step 700
700
#794990
oklch(49.1% 0.121 313.9)
-
Step 800
800
#623D75
oklch(42.8% 0.099 313.3)
-
Step 900
900
#50345E
oklch(37.6% 0.077 313.7)
-
Step 950
950 (this color)
#2B1B33
oklch(25.4% 0.049 313.8)
#2B1B33 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) | #172034 | 0.039 |
| Deuteranopia (no green cones) | #1B2232 | 0.036 |
| Tritanopia (no blue cones) | #2A1E24 | 0.033 |
| Achromatopsia (no color) | #212121 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B1B33
#2B1B33
oklch(25.4% 0.049 313.8)
- #19280E
#19280E
oklch(25.6% 0.049 133.6)
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 #2B1B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.043
- Jet #212529 ΔE 0.047
- Eggplant #380835 ΔE 0.051
- Aubergine #3D0734 ΔE 0.057
- Dark Purple #35063E ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.058
Use #2B1B33 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.