#331F2B
Closest named color: Jet (#212529). oklch(27% 0.037 343.1), rgb(51, 31, 43).
Aa
White text reads best on this color (15.31:1).
About this color
#331F2B is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.037 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.039 away. White text reads best on it, at 15.31:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.37:1 |
| White text | 15.31:1 |
Values
| HEX | #331F2B |
| RGB | rgb(51, 31, 43) |
| HSL | hsl(324, 24%, 16%) |
| OKLCH | oklch(27% 0.037 343.1) |
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 #331F2B | 15.31:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #331F2B | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #331F2B text on white | 15.31:1 | AAA | Lc 102.2 | Preferred for body text |
| #331F2B text on black | 1.37:1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#F0E7EC
oklch(93.6% 0.012 342.6)
-
Step 200
200
#E5D3DD
oklch(88.4% 0.024 343)
-
Step 300
300
#D6B6C8
oklch(80.9% 0.044 343.3)
-
Step 400
400
#C090AC
oklch(70.8% 0.069 343.2)
-
Step 500
500
#AF7498
oklch(63.2% 0.088 342.7)
-
Step 600
600
#9A5B82
oklch(55.5% 0.097 342.9)
-
Step 700
700
#844B6E
oklch(49.2% 0.09 343.4)
-
Step 800
800
#6B3E5A
oklch(42.8% 0.074 342.7)
-
Step 900
900
#57354A
oklch(37.7% 0.058 342.6)
-
Step 950
950 (this color)
#331F2B
oklch(27% 0.037 343.1)
#331F2B 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) | #20232B | 0.038 |
| Deuteranopia (no green cones) | #25262A | 0.035 |
| Tritanopia (no blue cones) | #351F23 | 0.015 |
| Achromatopsia (no color) | #252525 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331F2B
#331F2B
oklch(27% 0.037 343.1)
- #142C21
#142C21
oklch(27% 0.037 162.7)
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 #331F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.039
- Dark #1B2431 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.053
- Dark Brown #341C02 ΔE 0.063
- Gunmetal #293241 ΔE 0.064
- Eggplant #380835 ΔE 0.064
- Aubergine #3D0734 ΔE 0.065
Use #331F2B 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.