#331B33
Closest named color: Eggplant (#380835). oklch(26.5% 0.055 327), rgb(51, 27, 51).
Aa
White text reads best on this color (15.60:1).
About this color
#331B33 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.055 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.045 away. White text reads best on it, at 15.60:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #331B33 |
| RGB | rgb(51, 27, 51) |
| HSL | hsl(300, 31%, 15%) |
| OKLCH | oklch(26.5% 0.055 327) |
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 #331B33 | 15.60:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #331B33 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #331B33 text on white | 15.60:1 | AAA | Lc 102.4 | Preferred for body text |
| #331B33 text on black | 1.34:1 | 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
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F1E6F0
oklch(93.6% 0.018 328.5)
-
Step 200
200
#E7D1E6
oklch(88.5% 0.037 327.3)
-
Step 300
300
#D8B2D7
oklch(80.8% 0.066 327)
-
Step 400
400
#C389C2
oklch(70.6% 0.104 327.2)
-
Step 500
500
#B36BB3
oklch(63.2% 0.132 327)
-
Step 600
600
#9E519F
oklch(55.7% 0.144 326.8)
-
Step 700
700
#874188
oklch(49.2% 0.134 326.8)
-
Step 800
800
#6E366E
oklch(42.8% 0.111 327.3)
-
Step 900
900
#592F59
oklch(37.6% 0.087 327.1)
-
Step 950
950 (this color)
#331B33
oklch(26.5% 0.055 327)
#331B33 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) | #192234 | 0.052 |
| Deuteranopia (no green cones) | #1F2532 | 0.048 |
| Tritanopia (no blue cones) | #341D24 | 0.031 |
| Achromatopsia (no color) | #242424 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B33
#331B33
oklch(26.5% 0.055 327)
- #112C15
#112C15
oklch(26.5% 0.054 147)
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 #331B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.045
- Aubergine #3D0734 ΔE 0.047
- Dark #1B2431 ΔE 0.052
- Oxford Blue #1B263B ΔE 0.053
- Jet #212529 ΔE 0.054
- Dark Purple #35063E ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.057
- Dark Plum #3F012C ΔE 0.057
Use #331B33 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.