#331851
Closest named color: Dark Purple (#35063E). oklch(28.1% 0.1 302.1), rgb(51, 24, 81).
Aa
White text reads best on this color (15.10:1).
About this color
#331851 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.100 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.049 away. White text reads best on it, at 15.10:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.39:1 |
| White text | 15.10:1 |
Values
| HEX | #331851 |
| RGB | rgb(51, 24, 81) |
| HSL | hsl(268, 54%, 21%) |
| OKLCH | oklch(28.1% 0.1 302.1) |
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 #331851 | 15.10:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #331851 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #331851 text on white | 15.10:1 | AAA | Lc 101.7 | Preferred for body text |
| #331851 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
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#EEE5FE
oklch(93.6% 0.035 302.1)
-
Step 200
200
#E1CFFE
oklch(88.4% 0.067 302.5)
-
Step 300
300
#CEAFFF
oklch(80.9% 0.115 301.7)
-
Step 400
400
#B77FFF
oklch(70.7% 0.186 302.1)
-
Step 500
500
#A755FF
oklch(63.1% 0.241 302)
-
Step 600
600
#942BEF
oklch(55.7% 0.264 302.2)
-
Step 700
700
#7E18D0
oklch(49.1% 0.245 302)
-
Step 800
800
#661AA8
oklch(42.6% 0.203 302)
-
Step 900
900
#532085
oklch(37.7% 0.158 302.2)
-
Step 950
950 (this color)
#331851
oklch(28.1% 0.1 302.1)
#331851 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) | #002653 | 0.077 |
| Deuteranopia (no green cones) | #042650 | 0.074 |
| Tritanopia (no blue cones) | #2D2432 | 0.073 |
| Achromatopsia (no color) | #262626 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331851
#331851
oklch(28.1% 0.1 302.1)
- #232E00
#232E00
oklch(28.1% 0.069 122.7)
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 #331851, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.049
- Deep Purple #36013F ΔE 0.054
- Eggplant Purple #430541 ΔE 0.054
- Dark Indigo #1F0954 ΔE 0.056
- Deep Violet #490648 ΔE 0.057
- Eggplant #380835 ΔE 0.060
- Plum Purple #4E0550 ΔE 0.064
- Aubergine #3D0734 ΔE 0.064
Use #331851 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.