#311237
Closest named color: Eggplant (#380835). oklch(24.8% 0.077 320.9), rgb(49, 18, 55).
Aa
White text reads best on this color (16.50:1).
About this color
#311237 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.077 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.024 away. White text reads best on it, at 16.50:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.27:1 |
| White text | 16.50:1 |
Values
| HEX | #311237 |
| RGB | rgb(49, 18, 55) |
| HSL | hsl(290, 51%, 14%) |
| OKLCH | oklch(24.8% 0.077 320.9) |
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 #311237 | 16.50:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #311237 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #311237 text on white | 16.50:1 | AAA | Lc 103.2 | Preferred for body text |
| #311237 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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F5
oklch(93.5% 0.027 320.2)
-
Step 200
200
#E9CFEE
oklch(88.5% 0.05 320.8)
-
Step 300
300
#DCAEE5
oklch(81% 0.091 320.8)
-
Step 400
400
#C980D7
oklch(70.7% 0.145 321)
-
Step 500
500
#BA5CCC
oklch(63.1% 0.185 321)
-
Step 600
600
#A53DB9
oklch(55.5% 0.202 320.8)
-
Step 700
700
#8E2E9F
oklch(49.2% 0.187 321.2)
-
Step 800
800
#732881
oklch(42.7% 0.155 321)
-
Step 900
900
#5D2668
oklch(37.6% 0.122 320.7)
-
Step 950
950 (this color)
#311237
oklch(24.8% 0.077 320.9)
#311237 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) | #0B1D38 | 0.073 |
| Deuteranopia (no green cones) | #162036 | 0.064 |
| Tritanopia (no blue cones) | #311822 | 0.048 |
| Achromatopsia (no color) | #1F1F1F | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311237
#311237
oklch(24.8% 0.077 320.9)
- #072902
#072902
oklch(24.7% 0.076 140.6)
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 #311237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.024
- Dark Purple #35063E ΔE 0.028
- Aubergine #3D0734 ΔE 0.032
- Deep Purple #36013F ΔE 0.037
- Very Dark Purple #2A0134 ΔE 0.044
- Dark Plum #3F012C ΔE 0.045
- Midnight Purple #280137 ΔE 0.047
- Eggplant Purple #430541 ΔE 0.048
Use #311237 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.