#331B2E
Closest named color: Jet (#212529). oklch(26.3% 0.049 334.9), rgb(51, 27, 46).
Aa
White text reads best on this color (15.70:1).
About this color
#331B2E is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.049 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.049 away. White text reads best on it, at 15.70:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.33:1 |
| White text | 15.70:1 |
Values
| HEX | #331B2E |
| RGB | rgb(51, 27, 46) |
| HSL | hsl(313, 31%, 15%) |
| OKLCH | oklch(26.3% 0.049 334.9) |
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 #331B2E | 15.70:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #331B2E | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #331B2E text on white | 15.70:1 | AAA | Lc 102.5 | Preferred for body text |
| #331B2E 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
#F1E6EE
oklch(93.6% 0.016 335.1)
-
Step 200
200
#E7D2E2
oklch(88.6% 0.031 334)
-
Step 300
300
#D9B3D0
oklch(80.9% 0.058 334.5)
-
Step 400
400
#C58BB8
oklch(70.8% 0.092 334.8)
-
Step 500
500
#B56DA6
oklch(63.2% 0.118 334.9)
-
Step 600
600
#A05391
oklch(55.6% 0.129 334.9)
-
Step 700
700
#89437B
oklch(49.1% 0.12 335.3)
-
Step 800
800
#6F3864
oklch(42.7% 0.098 335.1)
-
Step 900
900
#5A3152
oklch(37.8% 0.076 334.6)
-
Step 950
950 (this color)
#331B2E
oklch(26.3% 0.049 334.9)
#331B2E 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) | #1B212F | 0.049 |
| Deuteranopia (no green cones) | #21242D | 0.044 |
| Tritanopia (no blue cones) | #351C22 | 0.024 |
| Achromatopsia (no color) | #232323 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331B2E
#331B2E
oklch(26.3% 0.049 334.9)
- #0E2B1A
#0E2B1A
oklch(26.1% 0.048 155.3)
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 #331B2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.049
- Eggplant #380835 ΔE 0.049
- Aubergine #3D0734 ΔE 0.051
- Dark #1B2431 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.054
- Dark Plum #3F012C ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.059
- Dark Purple #35063E ΔE 0.061
Use #331B2E 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.