#492781
Closest named color: Indigo (#4B0082). oklch(37% 0.143 296), rgb(73, 39, 129).
Aa
White text reads best on this color (11.10:1).
About this color
#492781 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.143 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.050 away. White text reads best on it, at 11.10:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.89:1 |
| White text | 11.10:1 |
Values
| HEX | #492781 |
| RGB | rgb(73, 39, 129) |
| HSL | hsl(263, 54%, 33%) |
| OKLCH | oklch(37% 0.143 296) |
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 #492781 | 11.10:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #492781 | 1.89:1 | Fails | Lc 8.8 | Not readable |
| #492781 text on white | 11.10:1 | AAA | Lc 95.1 | Preferred for body text |
| #492781 text on black | 1.89:1 | Fails | Lc -7.5 | 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
#C6B2FE
oklch(80.8% 0.107 296)
-
Step 400
400
#AB86FE
oklch(70.6% 0.172 295.9)
-
Step 500
500
#9962FC
oklch(63.2% 0.219 296)
-
Step 600
600
#8540EB
oklch(55.5% 0.239 296)
-
Step 700
700
#7130CD
oklch(49.2% 0.222 295.8)
-
Step 800
800
#5C2AA5
oklch(42.7% 0.184 296.2)
-
Step 900
900 (this color)
#492781
oklch(37% 0.143 296)
-
Step 950
950
#2B194D
oklch(26.9% 0.092 295.5)
#492781 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) | #003C84 | 0.092 |
| Deuteranopia (no green cones) | #003A7F | 0.092 |
| Tritanopia (no blue cones) | #3A3D50 | 0.113 |
| Achromatopsia (no color) | #3C3C3C | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #492781
#492781
oklch(37% 0.143 296)
- #3E4500
#3E4500
oklch(37.1% 0.085 116.1)
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 #492781, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.053
- Royal Purple #4B006E ΔE 0.065
- Blueberry #464196 ΔE 0.068
- Imperial Purple #480CA8 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.079
- Indigo Blue #3A18B1 ΔE 0.088
Use #492781 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.