#331C37
Closest named color: Eggplant (#380835). oklch(26.9% 0.058 321.5), rgb(51, 28, 55).
Aa
White text reads best on this color (15.41:1).
About this color
#331C37 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.058 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.046 away. White text reads best on it, at 15.41:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.36:1 |
| White text | 15.41:1 |
Values
| HEX | #331C37 |
| RGB | rgb(51, 28, 55) |
| HSL | hsl(291, 33%, 16%) |
| OKLCH | oklch(26.9% 0.058 321.5) |
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 #331C37 | 15.41:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #331C37 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #331C37 text on white | 15.41:1 | AAA | Lc 102.2 | Preferred for body text |
| #331C37 text on black | 1.36:1 | 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
#F8F3F9
oklch(97% 0.01 320.5)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E5D1E8
oklch(88.4% 0.038 321.8)
-
Step 300
300
#D6B3DB
oklch(81% 0.067 322.1)
-
Step 400
400
#C089C9
oklch(70.6% 0.109 321.7)
-
Step 500
500
#B06ABC
oklch(63.1% 0.141 321.6)
-
Step 600
600
#9B50A8
oklch(55.6% 0.153 321.5)
-
Step 700
700
#844090
oklch(49.1% 0.142 321.4)
-
Step 800
800
#6B3675
oklch(42.7% 0.116 321.1)
-
Step 900
900
#572F5E
oklch(37.6% 0.091 321.5)
-
Step 950
950 (this color)
#331C37
oklch(26.9% 0.058 321.5)
#331C37 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) | #192338 | 0.051 |
| Deuteranopia (no green cones) | #1F2536 | 0.046 |
| Tritanopia (no blue cones) | #341F26 | 0.036 |
| Achromatopsia (no color) | #252525 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331C37
#331C37
oklch(26.9% 0.058 321.5)
- #152D11
#152D11
oklch(26.9% 0.058 140.9)
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 #331C37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.046
- Aubergine #3D0734 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.053
- Dark #1B2431 ΔE 0.053
- Dark Purple #35063E ΔE 0.053
- Jet #212529 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.059
Use #331C37 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.