#371D5B
Closest named color: Deep Violet (#490648). oklch(30.2% 0.106 299.2), rgb(55, 29, 91).
Aa
White text reads best on this color (14.10:1).
About this color
#371D5B is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.106 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.063 away. White text reads best on it, at 14.10:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.48:1 |
| White text | 14.10:1 |
Values
| HEX | #371D5B |
| RGB | rgb(55, 29, 91) |
| HSL | hsl(265, 52%, 24%) |
| OKLCH | oklch(30.2% 0.106 299.2) |
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 #371D5B | 14.10:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #371D5B | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #371D5B text on white | 14.10:1 | AAA | Lc 100.4 | Preferred for body text |
| #371D5B text on black | 1.48:1 | 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
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#EDE5FF
oklch(93.6% 0.036 299.7)
-
Step 200
200
#DFD0FF
oklch(88.5% 0.066 299.6)
-
Step 300
300
#CBB0FF
oklch(80.9% 0.113 299.6)
-
Step 400
400
#B283FF
oklch(70.8% 0.179 299.3)
-
Step 500
500
#A15AFF
oklch(63.1% 0.234 299.4)
-
Step 600
600
#9021FB
oklch(55.6% 0.28 299)
-
Step 700
700
#7B06DB
oklch(49.1% 0.261 299)
-
Step 800
800
#6413B1
oklch(42.8% 0.216 299.1)
-
Step 900
900
#511D8C
oklch(37.7% 0.169 299.2)
-
Step 950
950 (this color)
#371D5B
oklch(30.2% 0.106 299.2)
#371D5B 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) | #002B5D | 0.077 |
| Deuteranopia (no green cones) | #022B5A | 0.076 |
| Tritanopia (no blue cones) | #2F2B39 | 0.081 |
| Achromatopsia (no color) | #2B2B2B | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #371D5B
#371D5B
oklch(30.2% 0.106 299.2)
- #2B3300
#2B3300
oklch(30.3% 0.071 118.8)
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 #371D5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.063
- Royal Purple #4B006E ΔE 0.063
- Plum Purple #4E0550 ΔE 0.063
- Eggplant Purple #430541 ΔE 0.066
- Dark Purple #35063E ΔE 0.069
- Midnight Blue #191970 ΔE 0.069
- Dark Indigo #1F0954 ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.072
Use #371D5B 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.