#492D78
Closest named color: Dark Slate Blue (#483D8B). oklch(37.3% 0.123 297.3), rgb(73, 45, 120).
Aa
White text reads best on this color (10.88:1).
About this color
#492D78 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.123 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 10.88:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.92:1 |
| White text | 10.88:1 |
Values
| HEX | #492D78 |
| RGB | rgb(73, 45, 120) |
| HSL | hsl(262, 45%, 32%) |
| OKLCH | oklch(37.3% 0.123 297.3) |
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 #492D78 | 10.88:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #492D78 | 1.92:1 | Fails | Lc 9.1 | Not readable |
| #492D78 text on white | 10.88:1 | AAA | Lc 94.8 | Preferred for body text |
| #492D78 text on black | 1.92:1 | Fails | Lc -7.8 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE6FA
oklch(93.5% 0.027 297.3)
-
Step 200
200
#DCD3F8
oklch(88.6% 0.051 296.5)
-
Step 300
300
#C7B4F5
oklch(80.8% 0.092 297.7)
-
Step 400
400
#AB8BF0
oklch(70.7% 0.146 297.1)
-
Step 500
500
#986AEB
oklch(63.2% 0.188 297.2)
-
Step 600
600
#844DD9
oklch(55.7% 0.204 297.4)
-
Step 700
700
#703CBD
oklch(49.1% 0.191 297.3)
-
Step 800
800
#5B3398
oklch(42.7% 0.157 297.5)
-
Step 900
900 (this color)
#492D78
oklch(37.3% 0.123 297.3)
-
Step 950
950
#2B1C47
oklch(27% 0.078 297)
#492D78 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) | #003D7A | 0.088 |
| Deuteranopia (no green cones) | #0E3C76 | 0.083 |
| Tritanopia (no blue cones) | #3E3D4E | 0.095 |
| Achromatopsia (no color) | #3D3D3D | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #492D78
#492D78
oklch(37.3% 0.123 297.3)
- #3D4600
#3D4600
oklch(37.3% 0.087 117.7)
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 #492D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Indigo #4B0082 ΔE 0.067
- Blueberry #464196 ΔE 0.067
- Royal Purple #4B006E ΔE 0.073
- Rebecca Purple #663399 ΔE 0.079
- Grape Purple #5D1451 ΔE 0.088
- Twilight Blue #0A437A ΔE 0.089
- Cobalt #1E488F ΔE 0.090
Use #492D78 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.