#331840
Closest named color: Dark Purple (#35063E). oklch(26.8% 0.078 313.5), rgb(51, 24, 64).
Aa
White text reads best on this color (15.60:1).
About this color
#331840 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.078 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.037 away. White text reads best on it, at 15.60:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #331840 |
| RGB | rgb(51, 24, 64) |
| HSL | hsl(281, 45%, 17%) |
| OKLCH | oklch(26.8% 0.078 313.5) |
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 #331840 | 15.60:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #331840 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #331840 text on white | 15.60:1 | AAA | Lc 102.3 | Preferred for body text |
| #331840 text on black | 1.34:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E5D0F2
oklch(88.5% 0.051 312.6)
-
Step 300
300
#D6AFEB
oklch(80.8% 0.093 313.6)
-
Step 400
400
#C183E1
oklch(70.7% 0.147 313.4)
-
Step 500
500
#B15FD8
oklch(63.1% 0.189 313.6)
-
Step 600
600
#9C41C5
oklch(55.5% 0.204 313.4)
-
Step 700
700
#8631AA
oklch(49.1% 0.19 313.8)
-
Step 800
800
#6D2B8A
oklch(42.8% 0.157 313.7)
-
Step 900
900
#58286E
oklch(37.6% 0.123 313.7)
-
Step 950
950 (this color)
#331840
oklch(26.8% 0.078 313.5)
#331840 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) | #0D2241 | 0.068 |
| Deuteranopia (no green cones) | #17243F | 0.060 |
| Tritanopia (no blue cones) | #321F29 | 0.053 |
| Achromatopsia (no color) | #242424 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331840
#331840
oklch(26.8% 0.078 313.5)
- #152D00
#152D00
oklch(26.7% 0.076 133.7)
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 #331840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.037
- Eggplant #380835 ΔE 0.038
- Aubergine #3D0734 ΔE 0.043
- Deep Purple #36013F ΔE 0.046
- Eggplant Purple #430541 ΔE 0.047
- Deep Violet #490648 ΔE 0.057
- Dark Plum #3F012C ΔE 0.058
- Oxford Blue #1B263B ΔE 0.061
Use #331840 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.