#331A4D
Closest named color: Dark Purple (#35063E). oklch(28.1% 0.092 303.6), rgb(51, 26, 77).
Aa
White text reads best on this color (15.04:1).
About this color
#331A4D is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.092 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.048 away. White text reads best on it, at 15.04:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.39:1 |
| White text | 15.04:1 |
Values
| HEX | #331A4D |
| RGB | rgb(51, 26, 77) |
| HSL | hsl(269, 50%, 20%) |
| OKLCH | oklch(28.1% 0.092 303.6) |
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 #331A4D | 15.04:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #331A4D | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #331A4D text on white | 15.04:1 | AAA | Lc 101.7 | Preferred for body text |
| #331A4D text on black | 1.39:1 | 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
#EEE5FC
oklch(93.6% 0.032 303.5)
-
Step 200
200
#E1D0FA
oklch(88.5% 0.06 303.6)
-
Step 300
300
#CFAFFA
oklch(80.8% 0.109 303.6)
-
Step 400
400
#B881F7
oklch(70.6% 0.173 303.8)
-
Step 500
500
#A75BF4
oklch(63.1% 0.221 303.5)
-
Step 600
600
#9338E2
oklch(55.6% 0.24 303.6)
-
Step 700
700
#7E27C5
oklch(49.2% 0.225 303.7)
-
Step 800
800
#66249F
oklch(42.7% 0.185 303.7)
-
Step 900
900
#53257E
oklch(37.7% 0.144 303.9)
-
Step 950
950 (this color)
#331A4D
oklch(28.1% 0.092 303.6)
#331A4D 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) | #02264F | 0.074 |
| Deuteranopia (no green cones) | #0D264C | 0.066 |
| Tritanopia (no blue cones) | #2E2430 | 0.067 |
| Achromatopsia (no color) | #262626 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331A4D
#331A4D
oklch(28.1% 0.092 303.6)
- #222E00
#222E00
oklch(28% 0.069 123.7)
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 #331A4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.048
- Eggplant Purple #430541 ΔE 0.053
- Deep Purple #36013F ΔE 0.054
- Eggplant #380835 ΔE 0.056
- Deep Violet #490648 ΔE 0.057
- Aubergine #3D0734 ΔE 0.060
- Dark Indigo #1F0954 ΔE 0.061
- Space Cadet #2B2D42 ΔE 0.064
Use #331A4D 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.