#491C59
Closest named color: Plum Purple (#4E0550). oklch(32.3% 0.112 316.1), rgb(73, 28, 89).
Aa
White text reads best on this color (13.17:1).
About this color
#491C59 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.112 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.038 away. White text reads best on it, at 13.17:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.59:1 |
| White text | 13.17:1 |
Values
| HEX | #491C59 |
| RGB | rgb(73, 28, 89) |
| HSL | hsl(284, 52%, 23%) |
| OKLCH | oklch(32.3% 0.112 316.1) |
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 #491C59 | 13.17:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #491C59 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #491C59 text on white | 13.17:1 | AAA | Lc 99.0 | Preferred for body text |
| #491C59 text on black | 1.59:1 | 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
#FAF2FE
oklch(97.1% 0.018 314.7)
-
Step 100
100
#F4E3FC
oklch(93.7% 0.038 315.1)
-
Step 200
200
#EDCBFA
oklch(88.5% 0.073 316.6)
-
Step 300
300
#E2A5FA
oklch(80.8% 0.133 316.1)
-
Step 400
400
#D26EF7
oklch(70.6% 0.211 316)
-
Step 500
500
#C537F3
oklch(63% 0.27 316)
-
Step 600
600
#AD00DA
oklch(55.6% 0.272 316.1)
-
Step 700
700
#9200B9
oklch(49.1% 0.241 315.9)
-
Step 800
800
#780099
oklch(42.6% 0.209 315.8)
-
Step 900
900
#640A7E
oklch(37.8% 0.176 316.3)
-
Step 950
950 (this color)
#491C59
oklch(32.3% 0.112 316.1)
#491C59 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) | #062D5B | 0.106 |
| Deuteranopia (no green cones) | #1C3158 | 0.091 |
| Tritanopia (no blue cones) | #482737 | 0.073 |
| Achromatopsia (no color) | #303030 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491C59
#491C59
oklch(32.3% 0.112 316.1)
- #1A3E00
#1A3E00
oklch(32.4% 0.096 135.9)
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 #491C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.038
- Deep Violet #490648 ΔE 0.045
- Grape Purple #5D1451 ΔE 0.047
- Royal Purple #4B006E ΔE 0.053
- Eggplant Purple #430541 ΔE 0.058
- Indigo #4B0082 ΔE 0.078
- Dark Purple #35063E ΔE 0.079
- Aubergine #3D0734 ΔE 0.080
Use #491C59 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.