#331D54
Closest named color: Dark Purple (#35063E). oklch(29.2% 0.096 298.7), rgb(51, 29, 84).
Aa
White text reads best on this color (14.53:1).
About this color
#331D54 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.096 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.061 away. White text reads best on it, at 14.53:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.44:1 |
| White text | 14.53:1 |
Values
| HEX | #331D54 |
| RGB | rgb(51, 29, 84) |
| HSL | hsl(264, 49%, 22%) |
| OKLCH | oklch(29.2% 0.096 298.7) |
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 #331D54 | 14.53:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #331D54 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #331D54 text on white | 14.53:1 | AAA | Lc 101.1 | Preferred for body text |
| #331D54 text on black | 1.44:1 | 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
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#ECE6FE
oklch(93.7% 0.033 297.2)
-
Step 200
200
#DED1FE
oklch(88.6% 0.063 298.3)
-
Step 300
300
#CAB1FF
oklch(81% 0.111 298.6)
-
Step 400
400
#B183FF
oklch(70.7% 0.179 298.9)
-
Step 500
500
#9F5BFF
oklch(63% 0.232 298.5)
-
Step 600
600
#8C36EF
oklch(55.6% 0.254 298.7)
-
Step 700
700
#7725D0
oklch(49.1% 0.235 298.5)
-
Step 800
800
#6123A8
oklch(42.8% 0.195 298.8)
-
Step 900
900
#4F2585
oklch(37.8% 0.151 298.9)
-
Step 950
950 (this color)
#331D54
oklch(29.2% 0.096 298.7)
#331D54 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) | #002956 | 0.071 |
| Deuteranopia (no green cones) | #082953 | 0.066 |
| Tritanopia (no blue cones) | #2C2935 | 0.074 |
| Achromatopsia (no color) | #292929 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331D54
#331D54
oklch(29.2% 0.096 298.7)
- #283000
#283000
oklch(29.1% 0.069 119.2)
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 #331D54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.061
- Eggplant Purple #430541 ΔE 0.063
- Deep Violet #490648 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.063
- Dark Indigo #1F0954 ΔE 0.063
- Deep Purple #36013F ΔE 0.066
- Plum Purple #4E0550 ΔE 0.068
- Eggplant #380835 ΔE 0.070
Use #331D54 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.