#4F2F8C
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.147 294.6), rgb(79, 47, 140).
Aa
White text reads best on this color (9.91:1).
About this color
#4F2F8C is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.147 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.034 away. White text reads best on it, at 9.91:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.11:1 |
| White text | 9.91:1 |
Values
| HEX | #4F2F8C |
| RGB | rgb(79, 47, 140) |
| HSL | hsl(261, 50%, 37%) |
| OKLCH | oklch(39.8% 0.147 294.6) |
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 #4F2F8C | 9.91:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #4F2F8C | 2.11:1 | Fails | Lc 11.4 | Not readable |
| #4F2F8C text on white | 9.91:1 | AAA | Lc 92.5 | Preferred for body text |
| #4F2F8C text on black | 2.11:1 | Fails | Lc -9.9 | 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
#EBE6FE
oklch(93.6% 0.033 295.3)
-
Step 200
200
#DBD2FE
oklch(88.5% 0.061 294.5)
-
Step 300
300
#C5B3FF
oklch(80.9% 0.107 294.8)
-
Step 400
400
#A987FF
oklch(70.7% 0.172 294.7)
-
Step 500
500
#9762FF
oklch(63.2% 0.222 294.8)
-
Step 600
600
#833FEF
oklch(55.6% 0.244 294.7)
-
Step 700
700
#6F2ED0
oklch(49% 0.227 294.6)
-
Step 800
800
#5A29A8
oklch(42.6% 0.188 294.6)
-
Step 900
900 (this color)
#4F2F8C
oklch(39.8% 0.147 294.6)
-
Step 950
950
#2B194E
oklch(27% 0.093 295.1)
#4F2F8C 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) | #00448F | 0.094 |
| Deuteranopia (no green cones) | #00418A | 0.093 |
| Tritanopia (no blue cones) | #3F4559 | 0.115 |
| Achromatopsia (no color) | #434343 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2F8C
#4F2F8C
oklch(39.8% 0.147 294.6)
- #464C00
#464C00
oklch(39.7% 0.09 114.8)
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 #4F2F8C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.034
- Blueberry #464196 ΔE 0.045
- Rebecca Purple #663399 ΔE 0.050
- Imperial Purple #480CA8 ΔE 0.068
- Chrysanthemum #560BAD ΔE 0.069
- Indigo #4B0082 ΔE 0.070
- Indigo Blue #3A18B1 ΔE 0.083
- Cobalt #1E488F ΔE 0.084
Use #4F2F8C 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.