#331C4A
Closest named color: Dark Purple (#35063E). oklch(28.2% 0.084 304.7), rgb(51, 28, 74).
Aa
White text reads best on this color (14.93:1).
About this color
#331C4A is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.084 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.050 away. White text reads best on it, at 14.93:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.40:1 |
| White text | 14.93:1 |
Values
| HEX | #331C4A |
| RGB | rgb(51, 28, 74) |
| HSL | hsl(270, 45%, 20%) |
| OKLCH | oklch(28.2% 0.084 304.7) |
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 #331C4A | 14.93:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #331C4A | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #331C4A text on white | 14.93:1 | AAA | Lc 101.6 | Preferred for body text |
| #331C4A text on black | 1.40:1 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E1D1F7
oklch(88.6% 0.054 304.4)
-
Step 300
300
#CFB1F5
oklch(81% 0.099 304.4)
-
Step 400
400
#B784EF
oklch(70.6% 0.159 304.7)
-
Step 500
500
#A660EA
oklch(63% 0.203 304.6)
-
Step 600
600
#9241D8
oklch(55.6% 0.22 304.7)
-
Step 700
700
#7C31BB
oklch(49.1% 0.204 304.5)
-
Step 800
800
#652A98
oklch(42.7% 0.171 304.6)
-
Step 900
900
#522979
oklch(37.8% 0.132 304.4)
-
Step 950
950 (this color)
#331C4A
oklch(28.2% 0.084 304.7)
#331C4A 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) | #0B264C | 0.065 |
| Deuteranopia (no green cones) | #132749 | 0.059 |
| Tritanopia (no blue cones) | #2F2530 | 0.061 |
| Achromatopsia (no color) | #272727 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331C4A
#331C4A
oklch(28.2% 0.084 304.7)
- #222F00
#222F00
oklch(28.3% 0.071 124.5)
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 #331C4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.050
- Eggplant Purple #430541 ΔE 0.054
- Eggplant #380835 ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.057
- Deep Purple #36013F ΔE 0.057
- Deep Violet #490648 ΔE 0.059
- Aubergine #3D0734 ΔE 0.059
- Oxford Blue #1B263B ΔE 0.061
Use #331C4A 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.