#4F2983
Closest named color: Dark Slate Blue (#483D8B). oklch(38.2% 0.144 298.8), rgb(79, 41, 131).
Aa
White text reads best on this color (10.62:1).
About this color
#4F2983 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.144 and its hue 299°. 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 10.62:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.97:1 |
| White text | 10.62:1 |
Values
| HEX | #4F2983 |
| RGB | rgb(79, 41, 131) |
| HSL | hsl(265, 52%, 34%) |
| OKLCH | oklch(38.2% 0.144 298.8) |
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 #4F2983 | 10.62:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #4F2983 | 1.97:1 | Fails | Lc 9.8 | Not readable |
| #4F2983 text on white | 10.62:1 | AAA | Lc 94.1 | Preferred for body text |
| #4F2983 text on black | 1.97:1 | Fails | Lc -8.5 | 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
#ECE6FC
oklch(93.6% 0.03 298.3)
-
Step 200
200
#DED1FC
oklch(88.5% 0.06 299)
-
Step 300
300
#CAB1FD
oklch(80.9% 0.108 299.1)
-
Step 400
400
#B084FC
oklch(70.6% 0.173 298.8)
-
Step 500
500
#9E5FF9
oklch(63.1% 0.22 298.7)
-
Step 600
600
#8A3DE8
oklch(55.5% 0.24 298.7)
-
Step 700
700
#762DCA
oklch(49.2% 0.223 298.8)
-
Step 800
800
#6028A3
oklch(42.7% 0.184 299)
-
Step 900
900 (this color)
#4F2983
oklch(38.2% 0.144 298.8)
-
Step 950
950
#2D194C
oklch(27.1% 0.091 298.2)
#4F2983 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) | #003E86 | 0.099 |
| Deuteranopia (no green cones) | #003E81 | 0.101 |
| Tritanopia (no blue cones) | #433E52 | 0.110 |
| Achromatopsia (no color) | #3E3E3E | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2983
#4F2983
oklch(38.2% 0.144 298.8)
- #3E4900
#3E4900
oklch(38.2% 0.09 119)
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 #4F2983, 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 0.056
- Rebecca Purple #663399 ΔE 0.062
- Blueberry #464196 ΔE 0.063
- Royal Purple #4B006E ΔE 0.071
- Imperial Purple #480CA8 ΔE 0.073
- Chrysanthemum #560BAD ΔE 0.076
- Indigo Blue #3A18B1 ΔE 0.092
Use #4F2983 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.