#331D31
Closest named color: Jet (#212529). oklch(26.8% 0.048 330.1), rgb(51, 29, 49).
Aa
White text reads best on this color (15.43:1).
About this color
#331D31 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.048 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.048 away. White text reads best on it, at 15.43:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.36:1 |
| White text | 15.43:1 |
Values
| HEX | #331D31 |
| RGB | rgb(51, 29, 49) |
| HSL | hsl(305, 28%, 16%) |
| OKLCH | oklch(26.8% 0.048 330.1) |
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 #331D31 | 15.43:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #331D31 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #331D31 text on white | 15.43:1 | AAA | Lc 102.3 | Preferred for body text |
| #331D31 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
#F9F4F8
oklch(97.2% 0.007 332.1)
-
Step 100
100
#F1E6EF
oklch(93.6% 0.017 331.6)
-
Step 200
200
#E6D2E3
oklch(88.5% 0.032 330.7)
-
Step 300
300
#D6B4D2
oklch(80.9% 0.056 329.9)
-
Step 400
400
#C18CBC
oklch(70.7% 0.091 329.7)
-
Step 500
500
#B06EAB
oklch(63% 0.117 329.6)
-
Step 600
600
#9B5596
oklch(55.5% 0.126 329.8)
-
Step 700
700
#854580
oklch(49.1% 0.118 330.1)
-
Step 800
800
#6C3968
oklch(42.7% 0.098 330)
-
Step 900
900
#583254
oklch(37.8% 0.075 330.8)
-
Step 950
950 (this color)
#331D31
oklch(26.8% 0.048 330.1)
#331D31 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) | #1C2332 | 0.046 |
| Deuteranopia (no green cones) | #222630 | 0.042 |
| Tritanopia (no blue cones) | #351F24 | 0.028 |
| Achromatopsia (no color) | #242424 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331D31
#331D31
oklch(26.8% 0.048 330.1)
- #132C19
#132C19
oklch(26.7% 0.047 150)
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 #331D31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.048
- Dark #1B2431 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.050
- Eggplant #380835 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.053
- Aubergine #3D0734 ΔE 0.054
- Dark Plum #3F012C ΔE 0.062
- Dark Purple #35063E ΔE 0.063
Use #331D31 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.