#331D4F
Closest named color: Dark Purple (#35063E). oklch(28.8% 0.089 301.3), rgb(51, 29, 79).
Aa
White text reads best on this color (14.69:1).
About this color
#331D4F is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.089 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.056 away. White text reads best on it, at 14.69:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.42:1 |
| White text | 14.69:1 |
Values
| HEX | #331D4F |
| RGB | rgb(51, 29, 79) |
| HSL | hsl(266, 46%, 21%) |
| OKLCH | oklch(28.8% 0.089 301.3) |
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 #331D4F | 14.69:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #331D4F | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #331D4F text on white | 14.69:1 | AAA | Lc 101.3 | Preferred for body text |
| #331D4F text on black | 1.42:1 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE6FC
oklch(93.7% 0.03 300.3)
-
Step 200
200
#DFD1FA
oklch(88.5% 0.058 300.8)
-
Step 300
300
#CCB1FA
oklch(80.9% 0.105 301.1)
-
Step 400
400
#B484F8
oklch(70.8% 0.169 301.3)
-
Step 500
500
#A25FF4
oklch(63.1% 0.215 301.1)
-
Step 600
600
#8E3DE3
oklch(55.6% 0.235 301.2)
-
Step 700
700
#792DC5
oklch(49.1% 0.218 301.2)
-
Step 800
800
#62289F
oklch(42.6% 0.18 301.1)
-
Step 900
900
#50277E
oklch(37.6% 0.141 301.6)
-
Step 950
950 (this color)
#331D4F
oklch(28.8% 0.089 301.3)
#331D4F 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) | #062851 | 0.068 |
| Deuteranopia (no green cones) | #0F284E | 0.062 |
| Tritanopia (no blue cones) | #2D2732 | 0.068 |
| Achromatopsia (no color) | #282828 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331D4F
#331D4F
oklch(28.8% 0.089 301.3)
- #263000
#263000
oklch(28.9% 0.07 121.3)
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 #331D4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.058
- Eggplant Purple #430541 ΔE 0.059
- Deep Violet #490648 ΔE 0.061
- Deep Purple #36013F ΔE 0.062
- Eggplant #380835 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.065
- Dark Indigo #1F0954 ΔE 0.065
Use #331D4F 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.