#492F79
Closest named color: Dark Slate Blue (#483D8B). oklch(37.7% 0.121 296.3), rgb(73, 47, 121).
Aa
White text reads best on this color (10.68:1).
About this color
#492F79 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.121 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.044 away. White text reads best on it, at 10.68:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.96:1 |
| White text | 10.68:1 |
Values
| HEX | #492F79 |
| RGB | rgb(73, 47, 121) |
| HSL | hsl(261, 44%, 33%) |
| OKLCH | oklch(37.7% 0.121 296.3) |
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 #492F79 | 10.68:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #492F79 | 1.96:1 | Fails | Lc 9.5 | Not readable |
| #492F79 text on white | 10.68:1 | AAA | Lc 94.4 | Preferred for body text |
| #492F79 text on black | 1.96:1 | Fails | Lc -8.1 | 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
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DCD3F7
oklch(88.5% 0.05 296.8)
-
Step 300
300
#C6B5F5
oklch(81% 0.091 296.5)
-
Step 400
400
#AA8CF0
oklch(70.8% 0.145 296.3)
-
Step 500
500
#966BEB
oklch(63.1% 0.186 296.2)
-
Step 600
600
#824ED9
oklch(55.6% 0.203 296.4)
-
Step 700
700
#6E3EBC
oklch(49.1% 0.188 296.3)
-
Step 800
800
#593498
oklch(42.6% 0.156 296.2)
-
Step 900
900 (this color)
#492F79
oklch(37.7% 0.121 296.3)
-
Step 950
950
#2B1C47
oklch(27% 0.078 297)
#492F79 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) | #033F7B | 0.085 |
| Deuteranopia (no green cones) | #103D77 | 0.080 |
| Tritanopia (no blue cones) | #3D3F4F | 0.095 |
| Achromatopsia (no color) | #3E3E3E | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #492F79
#492F79
oklch(37.7% 0.121 296.3)
- #3F4700
#3F4700
oklch(37.7% 0.087 116.8)
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 #492F79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Blueberry #464196 ΔE 0.063
- Indigo #4B0082 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.077
- Royal Purple #4B006E ΔE 0.078
- Cobalt #1E488F ΔE 0.085
- Twilight Blue #0A437A ΔE 0.086
- Grape Purple #5D1451 ΔE 0.091
Use #492F79 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.