#331337
Closest named color: Eggplant (#380835). oklch(25.3% 0.076 323.1), rgb(51, 19, 55).
Aa
White text reads best on this color (16.29:1).
About this color
#331337 is a dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.076 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.023 away. White text reads best on it, at 16.29:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.28:1 |
| White text | 16.29:1 |
Values
| HEX | #331337 |
| RGB | rgb(51, 19, 55) |
| HSL | hsl(293, 49%, 15%) |
| OKLCH | oklch(25.3% 0.076 323.1) |
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 #331337 | 16.29:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #331337 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #331337 text on white | 16.29:1 | AAA | Lc 103.0 | Preferred for body text |
| #331337 text on black | 1.28:1 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F3E4F4
oklch(93.5% 0.027 323.9)
-
Step 200
200
#EACFED
oklch(88.6% 0.05 322.8)
-
Step 300
300
#DDADE3
oklch(80.8% 0.091 322.7)
-
Step 400
400
#CB80D4
oklch(70.7% 0.143 323.1)
-
Step 500
500
#BC5BC8
oklch(63% 0.184 323.1)
-
Step 600
600
#A83DB5
oklch(55.7% 0.2 323.2)
-
Step 700
700
#902D9C
oklch(49.2% 0.187 323.2)
-
Step 800
800
#75277E
oklch(42.7% 0.155 323.4)
-
Step 900
900
#5E2666
oklch(37.7% 0.12 322.5)
-
Step 950
950 (this color)
#331337
oklch(25.3% 0.076 323.1)
#331337 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) | #0D1E38 | 0.074 |
| Deuteranopia (no green cones) | #182136 | 0.064 |
| Tritanopia (no blue cones) | #341822 | 0.046 |
| Achromatopsia (no color) | #202020 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #331337
#331337
oklch(25.3% 0.076 323.1)
- #052B05
#052B05
oklch(25.3% 0.077 142.9)
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 #331337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.023
- Aubergine #3D0734 ΔE 0.030
- Dark Purple #35063E ΔE 0.030
- Deep Purple #36013F ΔE 0.039
- Dark Plum #3F012C ΔE 0.043
- Eggplant Purple #430541 ΔE 0.045
- Very Dark Purple #2A0134 ΔE 0.049
- Midnight Purple #280137 ΔE 0.052
Use #331337 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.