#371C69
Closest named color: Royal Purple (#4B006E). oklch(31.3% 0.126 293.9), rgb(55, 28, 105).
Aa
White text reads best on this color (13.70:1).
About this color
#371C69 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.126 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.053 away. White text reads best on it, at 13.70:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.53:1 |
| White text | 13.70:1 |
Values
| HEX | #371C69 |
| RGB | rgb(55, 28, 105) |
| HSL | hsl(261, 58%, 26%) |
| OKLCH | oklch(31.3% 0.126 293.9) |
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 #371C69 | 13.70:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #371C69 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #371C69 text on white | 13.70:1 | AAA | Lc 99.8 | Preferred for body text |
| #371C69 text on black | 1.53:1 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EAE6FF
oklch(93.6% 0.034 293.1)
-
Step 200
200
#DBD2FF
oklch(88.5% 0.062 294.3)
-
Step 300
300
#C4B3FF
oklch(80.8% 0.107 294.1)
-
Step 400
400
#A888FF
oklch(70.7% 0.17 294)
-
Step 500
500
#9563FF
oklch(63.2% 0.221 293.9)
-
Step 600
600
#852FFF
oklch(55.7% 0.274 293.9)
-
Step 700
700
#7300E6
oklch(49.1% 0.271 294)
-
Step 800
800
#5E00BF
oklch(42.7% 0.236 293.8)
-
Step 900
900
#4E0C9E
oklch(37.8% 0.2 293.9)
-
Step 950
950 (this color)
#371C69
oklch(31.3% 0.126 293.9)
#371C69 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) | #002E6B | 0.076 |
| Deuteranopia (no green cones) | #002C67 | 0.075 |
| Tritanopia (no blue cones) | #292F40 | 0.098 |
| Achromatopsia (no color) | #2D2D2D | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #371C69
#371C69
oklch(31.3% 0.126 293.9)
- #313400
#313400
oklch(31.2% 0.07 113.3)
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 #371C69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.053
- Midnight Blue #191970 ΔE 0.058
- Indigo #4B0082 ΔE 0.063
- Plum Purple #4E0550 ΔE 0.075
- Dark Indigo #1F0954 ΔE 0.076
- Marine #042E60 ΔE 0.078
- Deep Violet #490648 ΔE 0.079
- Prussian Blue #1D3557 ΔE 0.084
Use #371C69 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.