#4F2F8F
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.15 293.8), rgb(79, 47, 143).
Aa
White text reads best on this color (9.83:1).
About this color
#4F2F8F is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.150 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 9.83:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #4F2F8F |
| RGB | rgb(79, 47, 143) |
| HSL | hsl(260, 51%, 37%) |
| OKLCH | oklch(40.1% 0.15 293.8) |
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 #4F2F8F | 9.83:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #4F2F8F | 2.13:1 | Fails | Lc 11.6 | Not readable |
| #4F2F8F text on white | 9.83:1 | AAA | Lc 92.3 | Preferred for body text |
| #4F2F8F text on black | 2.13:1 | Fails | Lc -10.1 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EAE6FE
oklch(93.5% 0.032 293.4)
-
Step 200
200
#DBD2FF
oklch(88.5% 0.062 294.3)
-
Step 300
300
#C4B3FF
oklch(80.8% 0.107 294.1)
-
Step 400
400
#A888FF
oklch(70.7% 0.17 294)
-
Step 500
500
#9563FF
oklch(63.2% 0.221 293.9)
-
Step 600
600
#823DF3
oklch(55.6% 0.25 293.8)
-
Step 700
700
#6F2CD4
oklch(49.2% 0.233 294)
-
Step 800
800
#5A28AB
oklch(42.8% 0.192 294)
-
Step 900
900 (this color)
#4F2F8F
oklch(40.1% 0.15 293.8)
-
Step 950
950
#2A194F
oklch(27% 0.095 293.6)
#4F2F8F 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) | #004492 | 0.093 |
| Deuteranopia (no green cones) | #00428D | 0.093 |
| Tritanopia (no blue cones) | #3D465B | 0.118 |
| Achromatopsia (no color) | #434343 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2F8F
#4F2F8F
oklch(40.1% 0.15 293.8)
- #484D00
#484D00
oklch(40.2% 0.09 114)
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 #4F2F8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.044
- Rebecca Purple #663399 ΔE 0.048
- Imperial Purple #480CA8 ΔE 0.064
- Chrysanthemum #560BAD ΔE 0.065
- Indigo #4B0082 ΔE 0.072
- Indigo Blue #3A18B1 ΔE 0.079
- Sapphire #2138AB ΔE 0.083
Use #4F2F8F 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.