#2D1B33
Closest named color: Dark (#1B2431). oklch(25.7% 0.05 317.4), rgb(45, 27, 51).
Aa
White text reads best on this color (15.95:1).
About this color
#2D1B33 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.050 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.043 away. White text reads best on it, at 15.95:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.31:1 |
| White text | 15.95:1 |
Values
| HEX | #2D1B33 |
| RGB | rgb(45, 27, 51) |
| HSL | hsl(285, 31%, 15%) |
| OKLCH | oklch(25.7% 0.05 317.4) |
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 #2D1B33 | 15.95:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #2D1B33 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #2D1B33 text on white | 15.95:1 | AAA | Lc 102.8 | Preferred for body text |
| #2D1B33 text on black | 1.31:1 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F2
oklch(93.5% 0.019 317.7)
-
Step 200
200
#E2D3E8
oklch(88.5% 0.033 316.4)
-
Step 300
300
#D1B5DA
oklch(80.9% 0.06 317.9)
-
Step 400
400
#B98EC8
oklch(70.7% 0.095 317.2)
-
Step 500
500
#A771B9
oklch(63.1% 0.12 317.4)
-
Step 600
600
#9258A5
oklch(55.6% 0.131 317.4)
-
Step 700
700
#7C478E
oklch(49% 0.123 317)
-
Step 800
800
#653B73
oklch(42.7% 0.102 317.2)
-
Step 900
900
#53335D
oklch(37.8% 0.08 317.8)
-
Step 950
950 (this color)
#2D1B33
oklch(25.7% 0.05 317.4)
#2D1B33 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) | #172134 | 0.043 |
| Deuteranopia (no green cones) | #1C2232 | 0.038 |
| Tritanopia (no blue cones) | #2D1E24 | 0.033 |
| Achromatopsia (no color) | #222222 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D1B33
#2D1B33
oklch(25.7% 0.05 317.4)
- #172910
#172910
oklch(25.8% 0.05 137.6)
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 #2D1B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.045
- Jet #212529 ΔE 0.048
- Eggplant #380835 ΔE 0.049
- Aubergine #3D0734 ΔE 0.054
- Dark Purple #35063E ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.062
Use #2D1B33 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.