#311531
Closest named color: Eggplant (#380835). oklch(25% 0.064 327.3), rgb(49, 21, 49).
Aa
White text reads best on this color (16.37:1).
About this color
#311531 is a very dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.064 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.032 away. White text reads best on it, at 16.37:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.28:1 |
| White text | 16.37:1 |
Values
| HEX | #311531 |
| RGB | rgb(49, 21, 49) |
| HSL | hsl(300, 40%, 14%) |
| OKLCH | oklch(25% 0.064 327.3) |
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 #311531 | 16.37:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #311531 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #311531 text on white | 16.37:1 | AAA | Lc 103.1 | Preferred for body text |
| #311531 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F2E5F2
oklch(93.6% 0.022 325.8)
-
Step 200
200
#E9D0E8
oklch(88.5% 0.042 327.2)
-
Step 300
300
#DBB0DA
oklch(80.9% 0.075 327)
-
Step 400
400
#C885C7
oklch(70.7% 0.12 327.3)
-
Step 500
500
#B964B9
oklch(63.1% 0.154 327.2)
-
Step 600
600
#A448A5
oklch(55.6% 0.168 327.1)
-
Step 700
700
#8C398D
oklch(49% 0.155 327.2)
-
Step 800
800
#723073
oklch(42.7% 0.129 327)
-
Step 900
900
#5D2B5D
oklch(37.7% 0.102 327.4)
-
Step 950
950 (this color)
#311531
oklch(25% 0.064 327.3)
#311531 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) | #131D32 | 0.061 |
| Deuteranopia (no green cones) | #1B2130 | 0.055 |
| Tritanopia (no blue cones) | #321820 | 0.037 |
| Achromatopsia (no color) | #202020 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311531
#311531
oklch(25% 0.064 327.3)
- #07290E
#07290E
oklch(24.9% 0.063 147.2)
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 #311531, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.032
- Aubergine #3D0734 ΔE 0.038
- Dark Purple #35063E ΔE 0.043
- Dark Plum #3F012C ΔE 0.047
- Deep Purple #36013F ΔE 0.051
- Very Dark Purple #2A0134 ΔE 0.054
- Eggplant Purple #430541 ΔE 0.057
- Midnight Purple #280137 ΔE 0.058
Use #311531 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.