#31183B
Closest named color: Eggplant (#380835). oklch(26.1% 0.07 315.5), rgb(49, 24, 59).
Aa
White text reads best on this color (15.85:1).
About this color
#31183B is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.070 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.037 away. White text reads best on it, at 15.85:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.32:1 |
| White text | 15.85:1 |
Values
| HEX | #31183B |
| RGB | rgb(49, 24, 59) |
| HSL | hsl(283, 42%, 16%) |
| OKLCH | oklch(26.1% 0.07 315.5) |
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 #31183B | 15.85:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #31183B | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #31183B text on white | 15.85:1 | AAA | Lc 102.6 | Preferred for body text |
| #31183B text on black | 1.32:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D0EE
oklch(88.4% 0.046 315.8)
-
Step 300
300
#D5B1E5
oklch(80.9% 0.082 315.4)
-
Step 400
400
#C086D9
oklch(70.8% 0.132 315.2)
-
Step 500
500
#B064CE
oklch(63.1% 0.17 315.6)
-
Step 600
600
#9B48BB
oklch(55.6% 0.184 315.4)
-
Step 700
700
#8438A1
oklch(49% 0.172 315.4)
-
Step 800
800
#6C3082
oklch(42.8% 0.141 315.9)
-
Step 900
900
#572B69
oklch(37.6% 0.111 315.1)
-
Step 950
950 (this color)
#31183B
oklch(26.1% 0.07 315.5)
#31183B 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) | #10213C | 0.062 |
| Deuteranopia (no green cones) | #18233A | 0.055 |
| Tritanopia (no blue cones) | #301D26 | 0.046 |
| Achromatopsia (no color) | #222222 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31183B
#31183B
oklch(26.1% 0.07 315.5)
- #142B04
#142B04
oklch(26% 0.069 135)
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 #31183B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.037
- Dark Purple #35063E ΔE 0.039
- Aubergine #3D0734 ΔE 0.042
- Deep Purple #36013F ΔE 0.048
- Eggplant Purple #430541 ΔE 0.052
- Dark Plum #3F012C ΔE 0.056
- Oxford Blue #1B263B ΔE 0.056
- Very Dark Purple #2A0134 ΔE 0.059
Use #31183B 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.