#311337
Closest named color: Eggplant (#380835). oklch(25% 0.075 320.7), rgb(49, 19, 55).
Aa
White text reads best on this color (16.42:1).
About this color
#311337 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.075 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.026 away. White text reads best on it, at 16.42:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.27:1 |
| White text | 16.42:1 |
Values
| HEX | #311337 |
| RGB | rgb(49, 19, 55) |
| HSL | hsl(290, 49%, 15%) |
| OKLCH | oklch(25% 0.075 320.7) |
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 #311337 | 16.42:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #311337 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #311337 text on white | 16.42:1 | AAA | Lc 103.1 | Preferred for body text |
| #311337 text on black | 1.27:1 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F2E5F5
oklch(93.7% 0.025 319.9)
-
Step 200
200
#E8CFED
oklch(88.4% 0.049 320.6)
-
Step 300
300
#DBAEE4
oklch(80.9% 0.089 320.7)
-
Step 400
400
#C881D6
oklch(70.7% 0.142 320.8)
-
Step 500
500
#B95ECB
oklch(63.2% 0.181 320.8)
-
Step 600
600
#A440B8
oklch(55.7% 0.197 320.6)
-
Step 700
700
#8C309E
oklch(49% 0.183 320.6)
-
Step 800
800
#722A80
oklch(42.7% 0.151 320.8)
-
Step 900
900
#5C2767
oklch(37.6% 0.119 320.4)
-
Step 950
950 (this color)
#311337
oklch(25% 0.075 320.7)
#311337 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) | #0C1D38 | 0.071 |
| Deuteranopia (no green cones) | #162036 | 0.062 |
| Tritanopia (no blue cones) | #311822 | 0.046 |
| Achromatopsia (no color) | #1F1F1F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311337
#311337
oklch(25% 0.075 320.7)
- #082A03
#082A03
oklch(25.1% 0.076 140.7)
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 #311337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.026
- Dark Purple #35063E ΔE 0.031
- Aubergine #3D0734 ΔE 0.033
- Deep Purple #36013F ΔE 0.039
- Dark Plum #3F012C ΔE 0.046
- Very Dark Purple #2A0134 ΔE 0.047
- Eggplant Purple #430541 ΔE 0.049
- Midnight Purple #280137 ΔE 0.049
Use #311337 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.