#491E51
Closest named color: Plum Purple (#4E0550). oklch(32.1% 0.099 321.1), rgb(73, 30, 81).
Aa
White text reads best on this color (13.22:1).
About this color
#491E51 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.099 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.040 away. White text reads best on it, at 13.22:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.58:1 |
| White text | 13.22:1 |
Values
| HEX | #491E51 |
| RGB | rgb(73, 30, 81) |
| HSL | hsl(291, 46%, 22%) |
| OKLCH | oklch(32.1% 0.099 321.1) |
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 #491E51 | 13.22:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #491E51 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #491E51 text on white | 13.22:1 | AAA | Lc 99.2 | Preferred for body text |
| #491E51 text on black | 1.58:1 | 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
#FBF2FC
oklch(97.1% 0.016 322.7)
-
Step 100
100
#F5E3F8
oklch(93.6% 0.034 321.4)
-
Step 200
200
#EECCF4
oklch(88.6% 0.065 321.2)
-
Step 300
300
#E4A7EF
oklch(80.9% 0.118 321.2)
-
Step 400
400
#D473E6
oklch(70.7% 0.188 321.2)
-
Step 500
500
#C744DF
oklch(63.1% 0.241 321)
-
Step 600
600
#B20BCC
oklch(55.5% 0.261 321)
-
Step 700
700
#9700AE
oklch(49% 0.234 320.9)
-
Step 800
800
#7C048F
oklch(42.6% 0.201 320.9)
-
Step 900
900
#641672
oklch(37.6% 0.156 320.9)
-
Step 950
950 (this color)
#491E51
oklch(32.1% 0.099 321.1)
#491E51 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) | #142D53 | 0.095 |
| Deuteranopia (no green cones) | #233150 | 0.083 |
| Tritanopia (no blue cones) | #4A2634 | 0.062 |
| Achromatopsia (no color) | #303030 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491E51
#491E51
oklch(32.1% 0.099 321.1)
- #0D3F05
#0D3F05
oklch(32.2% 0.1 141.1)
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 #491E51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.040
- Deep Violet #490648 ΔE 0.043
- Grape Purple #5D1451 ΔE 0.044
- Eggplant Purple #430541 ΔE 0.054
- Royal Purple #4B006E ΔE 0.068
- Aubergine #3D0734 ΔE 0.072
- Dark Purple #35063E ΔE 0.076
- Space Cadet #2B2D42 ΔE 0.077
Use #491E51 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.