#331B2C
Closest named color: Jet (#212529). oklch(26.2% 0.047 338.6), rgb(51, 27, 44).
Aa
White text reads best on this color (15.74:1).
About this color
#331B2C is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.047 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.048 away. White text reads best on it, at 15.74:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.33:1 |
| White text | 15.74:1 |
Values
| HEX | #331B2C |
| RGB | rgb(51, 27, 44) |
| HSL | hsl(318, 31%, 15%) |
| OKLCH | oklch(26.2% 0.047 338.6) |
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 #331B2C | 15.74:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #331B2C | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #331B2C text on white | 15.74:1 | AAA | Lc 102.6 | Preferred for body text |
| #331B2C text on black | 1.33:1 | 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
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F2E6ED
oklch(93.6% 0.016 341.4)
-
Step 200
200
#E8D2E0
oklch(88.6% 0.031 339.3)
-
Step 300
300
#D9B3CD
oklch(80.8% 0.056 337.8)
-
Step 400
400
#C58BB3
oklch(70.6% 0.088 338.5)
-
Step 500
500
#B66DA1
oklch(63.1% 0.114 338.4)
-
Step 600
600
#A1548B
oklch(55.6% 0.123 339)
-
Step 700
700
#894476
oklch(49% 0.114 338.7)
-
Step 800
800
#703860
oklch(42.7% 0.096 339.1)
-
Step 900
900
#5B314F
oklch(37.8% 0.075 338.6)
-
Step 950
950 (this color)
#331B2C
oklch(26.2% 0.047 338.6)
#331B2C 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) | #1C212D | 0.047 |
| Deuteranopia (no green cones) | #22242B | 0.043 |
| Tritanopia (no blue cones) | #351C21 | 0.022 |
| Achromatopsia (no color) | #232323 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B2C
#331B2C
oklch(26.2% 0.047 338.6)
- #0D2B1C
#0D2B1C
oklch(26.1% 0.046 158.9)
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 #331B2C, 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 0.051
- Eggplant #380835 ΔE 0.052
- Aubergine #3D0734 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.055
- Dark Plum #3F012C ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.061
- Dark Purple #35063E ΔE 0.064
Use #331B2C 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.