#492581
Closest named color: Indigo (#4B0082). oklch(36.8% 0.146 296.4), rgb(73, 37, 129).
Aa
White text reads best on this color (11.26:1).
About this color
#492581 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.146 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.046 away. White text reads best on it, at 11.26:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.86:1 |
| White text | 11.26:1 |
Values
| HEX | #492581 |
| RGB | rgb(73, 37, 129) |
| HSL | hsl(263, 55%, 33%) |
| OKLCH | oklch(36.8% 0.146 296.4) |
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 #492581 | 11.26:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #492581 | 1.86:1 | Fails | Lc 8.5 | Not readable |
| #492581 text on white | 11.26:1 | AAA | Lc 95.4 | Preferred for body text |
| #492581 text on black | 1.86:1 | 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 900.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DCD2FD
oklch(88.5% 0.059 295.8)
-
Step 300
300
#C7B2FF
oklch(80.9% 0.109 296.4)
-
Step 400
400
#AC85FF
oklch(70.6% 0.175 296.4)
-
Step 500
500
#9A60FE
oklch(63.1% 0.224 296.3)
-
Step 600
600
#863EED
oklch(55.6% 0.243 296.2)
-
Step 700
700
#722DCE
oklch(49.1% 0.226 296.3)
-
Step 800
800
#5D28A6
oklch(42.7% 0.187 296.7)
-
Step 900
900 (this color)
#492581
oklch(36.8% 0.146 296.4)
-
Step 950
950
#2C194D
oklch(27% 0.092 296.6)
#492581 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) | #003B84 | 0.094 |
| Deuteranopia (no green cones) | #00397F | 0.093 |
| Tritanopia (no blue cones) | #3A3B50 | 0.111 |
| Achromatopsia (no color) | #3B3B3B | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #492581
#492581
oklch(36.8% 0.146 296.4)
- #3D4400
#3D4400
oklch(36.7% 0.084 116.2)
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 #492581, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.057
- Royal Purple #4B006E ΔE 0.062
- Imperial Purple #480CA8 ΔE 0.070
- Blueberry #464196 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.076
- Chrysanthemum #560BAD ΔE 0.078
- Indigo Blue #3A18B1 ΔE 0.088
Use #492581 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.