#371F5A
Closest named color: Deep Violet (#490648). oklch(30.5% 0.102 299), rgb(55, 31, 90).
Aa
White text reads best on this color (13.94:1).
About this color
#371F5A is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.102 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 0.064 away. White text reads best on it, at 13.94:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.50:1 |
| White text | 13.94:1 |
Values
| HEX | #371F5A |
| RGB | rgb(55, 31, 90) |
| HSL | hsl(264, 49%, 24%) |
| OKLCH | oklch(30.5% 0.102 299) |
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 #371F5A | 13.94:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #371F5A | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #371F5A text on white | 13.94:1 | AAA | Lc 100.3 | Preferred for body text |
| #371F5A text on black | 1.50:1 | 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
#CAB1FF
oklch(81% 0.111 298.6)
-
Step 400
400
#B183FF
oklch(70.7% 0.179 298.9)
-
Step 500
500
#A05BFF
oklch(63.1% 0.232 298.9)
-
Step 600
600
#8E2CF5
oklch(55.5% 0.268 298.9)
-
Step 700
700
#7918D6
oklch(49.1% 0.25 298.8)
-
Step 800
800
#621BAD
oklch(42.7% 0.207 298.7)
-
Step 900
900
#502189
oklch(37.8% 0.161 298.9)
-
Step 950
950 (this color)
#371F5A
oklch(30.5% 0.102 299)
#371F5A 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) | #002C5C | 0.075 |
| Deuteranopia (no green cones) | #082C59 | 0.071 |
| Tritanopia (no blue cones) | #2F2C39 | 0.078 |
| Achromatopsia (no color) | #2C2C2C | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #371F5A
#371F5A
oklch(30.5% 0.102 299)
- #2B3400
#2B3400
oklch(30.6% 0.072 119.7)
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 #371F5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.064
- Plum Purple #4E0550 ΔE 0.065
- Royal Purple #4B006E ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.067
- Eggplant Purple #430541 ΔE 0.068
- Midnight Blue #191970 ΔE 0.071
- Dark Purple #35063E ΔE 0.071
- Prussian Blue #1D3557 ΔE 0.072
Use #371F5A 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.