#4A2F76
Closest named color: Dark Slate Blue (#483D8B). oklch(37.6% 0.117 298.1), rgb(74, 47, 118).
Aa
White text reads best on this color (10.71:1).
About this color
#4A2F76 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.117 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.047 away. White text reads best on it, at 10.71:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.71:1 |
Values
| HEX | #4A2F76 |
| RGB | rgb(74, 47, 118) |
| HSL | hsl(263, 43%, 32%) |
| OKLCH | oklch(37.6% 0.117 298.1) |
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 #4A2F76 | 10.71:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #4A2F76 | 1.95:1 | Fails | Lc 9.4 | Not readable |
| #4A2F76 text on white | 10.71:1 | AAA | Lc 94.5 | Preferred for body text |
| #4A2F76 text on black | 1.95:1 | 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
#ECE7F9
oklch(93.7% 0.025 298.6)
-
Step 200
200
#DDD3F6
oklch(88.6% 0.049 298.5)
-
Step 300
300
#C7B5F3
oklch(81% 0.088 297.7)
-
Step 400
400
#AC8CEC
oklch(70.8% 0.14 298.1)
-
Step 500
500
#996BE6
oklch(63.1% 0.18 298.3)
-
Step 600
600
#844FD4
oklch(55.6% 0.196 298.1)
-
Step 700
700
#703FB8
oklch(49.2% 0.182 298)
-
Step 800
800
#5B3595
oklch(42.7% 0.151 297.9)
-
Step 900
900 (this color)
#4A2F76
oklch(37.6% 0.117 298.1)
-
Step 950
950
#2B1C45
oklch(26.8% 0.075 298.1)
#4A2F76 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) | #0B3E78 | 0.084 |
| Deuteranopia (no green cones) | #173D74 | 0.077 |
| Tritanopia (no blue cones) | #403E4D | 0.092 |
| Achromatopsia (no color) | #3E3E3E | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A2F76
#4A2F76
oklch(37.6% 0.117 298.1)
- #3D4700
#3D4700
oklch(37.6% 0.088 118.5)
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 #4A2F76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Blueberry #464196 ΔE 0.066
- Indigo #4B0082 ΔE 0.073
- Royal Purple #4B006E ΔE 0.077
- Rebecca Purple #663399 ΔE 0.079
- Grape Purple #5D1451 ΔE 0.086
- Twilight Blue #0A437A ΔE 0.087
- Cobalt #1E488F ΔE 0.088
Use #4A2F76 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.