#2A1337
Closest named color: Dark Purple (#35063E). oklch(23.9% 0.071 311.7), rgb(42, 19, 55).
Aa
White text reads best on this color (16.84:1).
About this color
#2A1337 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.071 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.037 away. White text reads best on it, at 16.84:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.24:1 |
| White text | 16.84:1 |
Values
| HEX | #2A1337 |
| RGB | rgb(42, 19, 55) |
| HSL | hsl(278, 49%, 15%) |
| OKLCH | oklch(23.9% 0.071 311.7) |
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 #2A1337 | 16.84:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #2A1337 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #2A1337 text on white | 16.84:1 | AAA | Lc 103.6 | Preferred for body text |
| #2A1337 text on black | 1.24:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1F0
oklch(88.5% 0.046 311.2)
-
Step 300
300
#D3B1E9
oklch(80.9% 0.085 311.9)
-
Step 400
400
#BC87DD
oklch(70.7% 0.134 311.6)
-
Step 500
500
#AB66D4
oklch(63.2% 0.171 311.4)
-
Step 600
600
#9749C1
oklch(55.6% 0.187 311.8)
-
Step 700
700
#803AA6
oklch(49.1% 0.172 311.5)
-
Step 800
800
#683187
oklch(42.7% 0.143 311.3)
-
Step 900
900
#552C6C
oklch(37.7% 0.112 311.8)
-
Step 950
950 (this color)
#2A1337
oklch(23.9% 0.071 311.7)
#2A1337 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) | #081C38 | 0.062 |
| Deuteranopia (no green cones) | #111E36 | 0.054 |
| Tritanopia (no blue cones) | #291922 | 0.049 |
| Achromatopsia (no color) | #1D1D1D | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A1337
#2A1337
oklch(23.9% 0.071 311.7)
- #132500
#132500
oklch(23.9% 0.066 131.5)
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 #2A1337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.037
- Eggplant #380835 ΔE 0.037
- Very Dark Purple #2A0134 ΔE 0.042
- Midnight Purple #280137 ΔE 0.043
- Deep Purple #36013F ΔE 0.045
- Aubergine #3D0734 ΔE 0.047
- Dark Plum #3F012C ΔE 0.059
- Oxford Blue #1B263B ΔE 0.061
Use #2A1337 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.