#331B29
Closest named color: Jet (#212529). oklch(26% 0.044 344.7), rgb(51, 27, 41).
Aa
White text reads best on this color (15.79:1).
About this color
#331B29 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.044 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.046 away. White text reads best on it, at 15.79:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.32:1 |
| White text | 15.79:1 |
Values
| HEX | #331B29 |
| RGB | rgb(51, 27, 41) |
| HSL | hsl(325, 31%, 15%) |
| OKLCH | oklch(26% 0.044 344.7) |
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 #331B29 | 15.79:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #331B29 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #331B29 text on white | 15.79:1 | AAA | Lc 102.6 | Preferred for body text |
| #331B29 text on black | 1.32:1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EC
oklch(93.6% 0.015 345.6)
-
Step 200
200
#E8D2DE
oklch(88.5% 0.029 343.6)
-
Step 300
300
#DAB4C8
oklch(80.9% 0.051 345.3)
-
Step 400
400
#C68CAD
oklch(70.7% 0.083 344.3)
-
Step 500
500
#B76E99
oklch(63.1% 0.107 344.4)
-
Step 600
600
#A25583
oklch(55.6% 0.116 344.8)
-
Step 700
700
#8A456F
oklch(49% 0.108 344.4)
-
Step 800
800
#70395A
oklch(42.6% 0.089 344.6)
-
Step 900
900
#5B324A
oklch(37.7% 0.068 344.8)
-
Step 950
950 (this color)
#331B29
oklch(26% 0.044 344.7)
#331B29 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) | #1D202A | 0.045 |
| Deuteranopia (no green cones) | #232428 | 0.042 |
| Tritanopia (no blue cones) | #361B20 | 0.018 |
| Achromatopsia (no color) | #232323 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B29
#331B29
oklch(26% 0.044 344.7)
- #0B2B1F
#0B2B1F
oklch(26.1% 0.044 165.2)
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 #331B29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.046
- Dark #1B2431 ΔE 0.051
- Eggplant #380835 ΔE 0.055
- Aubergine #3D0734 ΔE 0.056
- Oxford Blue #1B263B ΔE 0.057
- Dark Plum #3F012C ΔE 0.061
- Space Cadet #2B2D42 ΔE 0.063
- Dark Brown #341C02 ΔE 0.064
Use #331B29 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.