#491858
Closest named color: Plum Purple (#4E0550). oklch(31.8% 0.117 317.3), rgb(73, 24, 88).
Aa
White text reads best on this color (13.50:1).
About this color
#491858 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.117 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.031 away. White text reads best on it, at 13.50:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.55:1 |
| White text | 13.50:1 |
Values
| HEX | #491858 |
| RGB | rgb(73, 24, 88) |
| HSL | hsl(286, 57%, 22%) |
| OKLCH | oklch(31.8% 0.117 317.3) |
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 #491858 | 13.50:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #491858 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #491858 text on white | 13.50:1 | AAA | Lc 99.4 | Preferred for body text |
| #491858 text on black | 1.55:1 | 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
#FBF2FE
oklch(97.2% 0.018 317.7)
-
Step 100
100
#F5E2FC
oklch(93.6% 0.04 317)
-
Step 200
200
#EECAFB
oklch(88.5% 0.076 317)
-
Step 300
300
#E5A3FB
oklch(80.8% 0.139 317.4)
-
Step 400
400
#D66AF9
oklch(70.7% 0.221 317.1)
-
Step 500
500
#CA2BF5
oklch(63.1% 0.282 317.4)
-
Step 600
600
#AF00D7
oklch(55.7% 0.271 317.4)
-
Step 700
700
#9300B6
oklch(49% 0.239 317.1)
-
Step 800
800
#7A0097
oklch(42.8% 0.208 317.3)
-
Step 900
900
#66007F
oklch(37.7% 0.184 317.2)
-
Step 950
950 (this color)
#491858
oklch(31.8% 0.117 317.3)
#491858 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) | #002B5A | 0.114 |
| Deuteranopia (no green cones) | #1A3056 | 0.098 |
| Tritanopia (no blue cones) | #482436 | 0.073 |
| Achromatopsia (no color) | #2E2E2E | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #491858
#491858
oklch(31.8% 0.117 317.3)
- #163D00
#163D00
oklch(31.9% 0.097 137.3)
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 #491858, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.031
- Deep Violet #490648 ΔE 0.038
- Grape Purple #5D1451 ΔE 0.047
- Royal Purple #4B006E ΔE 0.049
- Eggplant Purple #430541 ΔE 0.052
- Dark Purple #35063E ΔE 0.074
- Aubergine #3D0734 ΔE 0.075
- Deep Purple #36013F ΔE 0.076
Use #491858 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.