#4F3671
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.099 301.5), rgb(79, 54, 113).
Aa
White text reads best on this color (10.00:1).
About this color
#4F3671 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.099 and its hue 302°. 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 10.00:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #4F3671 |
| RGB | rgb(79, 54, 113) |
| HSL | hsl(265, 35%, 33%) |
| OKLCH | oklch(39% 0.099 301.5) |
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 #4F3671 | 10.00:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #4F3671 | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #4F3671 text on white | 10.00:1 | AAA | Lc 93.0 | Preferred for body text |
| #4F3671 text on black | 2.09:1 | Fails | Lc -9.4 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DED3F1
oklch(88.5% 0.042 302.2)
-
Step 300
300
#C9B6EA
oklch(81% 0.075 301.4)
-
Step 400
400
#AE8EDF
oklch(70.7% 0.12 301.6)
-
Step 500
500
#9B70D6
oklch(63.2% 0.153 301.6)
-
Step 600
600
#8656C3
oklch(55.7% 0.166 301.6)
-
Step 700
700
#7145A8
oklch(49% 0.154 301.4)
-
Step 800
800
#5C3A88
oklch(42.7% 0.127 301.4)
-
Step 900
900 (this color)
#4F3671
oklch(39% 0.099 301.5)
-
Step 950
950
#2C1E40
oklch(27% 0.063 301.3)
#4F3671 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) | #234273 | 0.070 |
| Deuteranopia (no green cones) | #2A4270 | 0.064 |
| Tritanopia (no blue cones) | #49414E | 0.076 |
| Achromatopsia (no color) | #424242 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3671
#4F3671
oklch(39% 0.099 301.5)
- #3D4C00
#3D4C00
oklch(38.9% 0.094 121.7)
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 #4F3671, 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 0.066
- Twilight #4E518B ΔE 0.079
- Rebecca Purple #663399 ΔE 0.079
- Dusk #4E5481 ΔE 0.083
- Grape Purple #5D1451 ΔE 0.086
- Twilight Blue #0A437A ΔE 0.087
- Dark Grey Blue #29465B ΔE 0.087
Use #4F3671 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.