#331F33
Closest named color: Jet (#212529). oklch(27.3% 0.046 326.7), rgb(51, 31, 51).
Aa
White text reads best on this color (15.16:1).
About this color
#331F33 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.046 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.046 away. White text reads best on it, at 15.16:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.38:1 |
| White text | 15.16:1 |
Values
| HEX | #331F33 |
| RGB | rgb(51, 31, 51) |
| HSL | hsl(300, 24%, 16%) |
| OKLCH | oklch(27.3% 0.046 326.7) |
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 #331F33 | 15.16:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #331F33 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #331F33 text on white | 15.16:1 | AAA | Lc 102.0 | Preferred for body text |
| #331F33 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6EF
oklch(93.5% 0.016 328.8)
-
Step 200
200
#E4D3E4
oklch(88.6% 0.029 325.8)
-
Step 300
300
#D4B5D3
oklch(80.9% 0.054 327.1)
-
Step 400
400
#BE8EBD
oklch(70.8% 0.086 327.1)
-
Step 500
500
#AC71AD
oklch(63.1% 0.11 326.2)
-
Step 600
600
#975898
oklch(55.6% 0.12 326.5)
-
Step 700
700
#814882
oklch(49.2% 0.112 326.5)
-
Step 800
800
#693B69
oklch(42.6% 0.093 327)
-
Step 900
900
#553356
oklch(37.6% 0.072 325.9)
-
Step 950
950 (this color)
#331F33
oklch(27.3% 0.046 326.7)
#331F33 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) | #1E2434 | 0.041 |
| Deuteranopia (no green cones) | #232732 | 0.039 |
| Tritanopia (no blue cones) | #342126 | 0.027 |
| Achromatopsia (no color) | #262626 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331F33
#331F33
oklch(27.3% 0.046 326.7)
- #172D1A
#172D1A
oklch(27.3% 0.045 147.4)
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 #331F33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.046
- Dark #1B2431 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.047
- Eggplant #380835 ΔE 0.057
- Aubergine #3D0734 ΔE 0.058
- Gunmetal #293241 ΔE 0.060
- Dark Purple #35063E ΔE 0.066
Use #331F33 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.