#391B53
Closest named color: Deep Violet (#490648). oklch(29.5% 0.1 305.8), rgb(57, 27, 83).
Aa
White text reads best on this color (14.42:1).
About this color
#391B53 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.100 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.051 away. White text reads best on it, at 14.42:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.45:1 |
| White text | 14.42:1 |
Values
| HEX | #391B53 |
| RGB | rgb(57, 27, 83) |
| HSL | hsl(272, 51%, 22%) |
| OKLCH | oklch(29.5% 0.1 305.8) |
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 #391B53 | 14.42:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #391B53 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #391B53 text on white | 14.42:1 | AAA | Lc 100.9 | Preferred for body text |
| #391B53 text on black | 1.45:1 | 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EFE4FD
oklch(93.5% 0.035 305.5)
-
Step 200
200
#E4CFFC
oklch(88.6% 0.065 306.2)
-
Step 300
300
#D3ADFD
oklch(80.9% 0.117 305.7)
-
Step 400
400
#BE7CFC
oklch(70.7% 0.189 306)
-
Step 500
500
#AE51F9
oklch(63% 0.241 305.9)
-
Step 600
600
#9A27E8
oklch(55.5% 0.262 305.8)
-
Step 700
700
#8413CA
oklch(49.1% 0.244 305.9)
-
Step 800
800
#6B18A3
oklch(42.7% 0.201 305.9)
-
Step 900
900
#571F82
oklch(37.8% 0.157 305.8)
-
Step 950
950 (this color)
#391B53
oklch(29.5% 0.1 305.8)
#391B53 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) | #002955 | 0.084 |
| Deuteranopia (no green cones) | #0F2A52 | 0.075 |
| Tritanopia (no blue cones) | #352634 | 0.071 |
| Achromatopsia (no color) | #2A2A2A | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #391B53
#391B53
oklch(29.5% 0.1 305.8)
- #233300
#233300
oklch(29.6% 0.076 126.3)
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 #391B53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.051
- Eggplant Purple #430541 ΔE 0.053
- Plum Purple #4E0550 ΔE 0.055
- Dark Purple #35063E ΔE 0.057
- Deep Purple #36013F ΔE 0.062
- Eggplant #380835 ΔE 0.065
- Aubergine #3D0734 ΔE 0.066
- Royal Purple #4B006E ΔE 0.067
Use #391B53 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.