#31095C
Closest named color: Dark Indigo (#1F0954). oklch(27% 0.131 298.3), rgb(49, 9, 92).
Aa
White text reads best on this color (15.85:1).
About this color
#31095C is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.131 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.042 away. White text reads best on it, at 15.85:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.32:1 |
| White text | 15.85:1 |
Values
| HEX | #31095C |
| RGB | rgb(49, 9, 92) |
| HSL | hsl(269, 82%, 20%) |
| OKLCH | oklch(27% 0.131 298.3) |
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 #31095C | 15.85:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #31095C | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #31095C text on white | 15.85:1 | AAA | Lc 102.0 | Preferred for body text |
| #31095C 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
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE5FF
oklch(93.5% 0.036 298)
-
Step 200
200
#DED1FF
oklch(88.6% 0.064 298)
-
Step 300
300
#C9B1FF
oklch(80.9% 0.111 298)
-
Step 400
400
#B083FF
oklch(70.6% 0.179 298.5)
-
Step 500
500
#9F5CFF
oklch(63.2% 0.231 298.4)
-
Step 600
600
#8F1BFF
oklch(55.5% 0.287 298.2)
-
Step 700
700
#7A00DE
oklch(49.1% 0.265 298.1)
-
Step 800
800
#6400B8
oklch(42.7% 0.23 298.1)
-
Step 900
900
#54009B
oklch(37.7% 0.203 298.5)
-
Step 950
950 (this color)
#31095C
oklch(27% 0.131 298.3)
#31095C 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) | #00225E | 0.082 |
| Deuteranopia (no green cones) | #00215B | 0.082 |
| Tritanopia (no blue cones) | #262234 | 0.098 |
| Achromatopsia (no color) | #222222 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31095C
#31095C
oklch(27% 0.131 298.3)
- #242A00
#242A00
oklch(27% 0.063 117.7)
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 #31095C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.042
- Dark Purple #35063E ΔE 0.058
- Deep Purple #36013F ΔE 0.059
- Royal Purple #4B006E ΔE 0.065
- Midnight Blue #191970 ΔE 0.065
- Eggplant Purple #430541 ΔE 0.069
- Deep Violet #490648 ΔE 0.070
- Plum Purple #4E0550 ΔE 0.073
Use #31095C 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.