#331B46
Closest named color: Dark Purple (#35063E). oklch(27.7% 0.08 307.8), rgb(51, 27, 70).
Aa
White text reads best on this color (15.15:1).
About this color
#331B46 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.080 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.045 away. White text reads best on it, at 15.15:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.38:1 |
| White text | 15.15:1 |
Values
| HEX | #331B46 |
| RGB | rgb(51, 27, 70) |
| HSL | hsl(273, 44%, 19%) |
| OKLCH | oklch(27.7% 0.08 307.8) |
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 #331B46 | 15.15:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #331B46 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #331B46 text on white | 15.15:1 | AAA | Lc 101.8 | Preferred for body text |
| #331B46 text on black | 1.38:1 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F8
oklch(93.5% 0.027 309.2)
-
Step 200
200
#E3D0F5
oklch(88.5% 0.054 308.4)
-
Step 300
300
#D1B0F0
oklch(80.8% 0.095 307.8)
-
Step 400
400
#BB84E9
oklch(70.7% 0.153 308)
-
Step 500
500
#AA61E2
oklch(63.1% 0.194 307.9)
-
Step 600
600
#9543D0
oklch(55.6% 0.21 307.6)
-
Step 700
700
#7F33B4
oklch(49.1% 0.196 307.6)
-
Step 800
800
#672C92
oklch(42.7% 0.162 307.3)
-
Step 900
900
#542974
oklch(37.7% 0.127 307.8)
-
Step 950
950 (this color)
#331B46
oklch(27.7% 0.08 307.8)
#331B46 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) | #0D2547 | 0.065 |
| Deuteranopia (no green cones) | #152645 | 0.059 |
| Tritanopia (no blue cones) | #30232D | 0.058 |
| Achromatopsia (no color) | #262626 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B46
#331B46
oklch(27.7% 0.08 307.8)
- #1E2E00
#1E2E00
oklch(27.6% 0.072 127.4)
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 #331B46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.045
- Eggplant #380835 ΔE 0.049
- Eggplant Purple #430541 ΔE 0.051
- Aubergine #3D0734 ΔE 0.053
- Deep Purple #36013F ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.057
- Deep Violet #490648 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.059
Use #331B46 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.