#492F77
Closest named color: Dark Slate Blue (#483D8B). oklch(37.5% 0.118 297), rgb(73, 47, 119).
Aa
White text reads best on this color (10.73:1).
About this color
#492F77 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.118 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 0.046 away. White text reads best on it, at 10.73:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.73:1 |
Values
| HEX | #492F77 |
| RGB | rgb(73, 47, 119) |
| HSL | hsl(262, 43%, 33%) |
| OKLCH | oklch(37.5% 0.118 297) |
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 #492F77 | 10.73:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #492F77 | 1.95:1 | Fails | Lc 9.3 | Not readable |
| #492F77 text on white | 10.73:1 | AAA | Lc 94.6 | Preferred for body text |
| #492F77 text on black | 1.95:1 | Fails | Lc -8.0 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DCD3F7
oklch(88.5% 0.05 296.8)
-
Step 300
300
#C6B5F4
oklch(80.9% 0.089 296.7)
-
Step 400
400
#AA8CEE
oklch(70.7% 0.142 296.7)
-
Step 500
500
#976CE8
oklch(63.2% 0.181 296.9)
-
Step 600
600
#824FD6
oklch(55.5% 0.198 296.8)
-
Step 700
700
#6F3FBA
oklch(49.2% 0.184 297)
-
Step 800
800
#5A3596
oklch(42.7% 0.152 297.1)
-
Step 900
900 (this color)
#492F77
oklch(37.5% 0.118 297)
-
Step 950
950
#2B1D46
oklch(27.1% 0.074 296.9)
#492F77 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) | #073E79 | 0.084 |
| Deuteranopia (no green cones) | #143D75 | 0.078 |
| Tritanopia (no blue cones) | #3E3E4E | 0.092 |
| Achromatopsia (no color) | #3E3E3E | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #492F77
#492F77
oklch(37.5% 0.118 297)
- #3E4600
#3E4600
oklch(37.4% 0.086 116.9)
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 #492F77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.065
- Indigo #4B0082 ΔE 0.072
- Royal Purple #4B006E ΔE 0.077
- Rebecca Purple #663399 ΔE 0.079
- Twilight Blue #0A437A ΔE 0.086
- Cobalt #1E488F ΔE 0.087
- Grape Purple #5D1451 ΔE 0.088
Use #492F77 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.