#4F3470
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.102 302.7), rgb(79, 52, 112).
Aa
White text reads best on this color (10.20:1).
About this color
#4F3470 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.102 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.049 away. White text reads best on it, at 10.20:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.20:1 |
Values
| HEX | #4F3470 |
| RGB | rgb(79, 52, 112) |
| HSL | hsl(267, 37%, 32%) |
| OKLCH | oklch(38.6% 0.102 302.7) |
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 #4F3470 | 10.20:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #4F3470 | 2.05:1 | Fails | Lc 10.4 | Not readable |
| #4F3470 text on white | 10.20:1 | AAA | Lc 93.5 | Preferred for body text |
| #4F3470 text on black | 2.05:1 | Fails | Lc -9.0 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
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
#CAB5EA
oklch(80.9% 0.077 302.8)
-
Step 400
400
#B08DDF
oklch(70.7% 0.122 303)
-
Step 500
500
#9D6FD6
oklch(63.2% 0.155 302.8)
-
Step 600
600
#8854C3
oklch(55.6% 0.169 302.9)
-
Step 700
700
#7344A9
oklch(49.1% 0.157 302.4)
-
Step 800
800
#5E3889
oklch(42.7% 0.132 302.9)
-
Step 900
900 (this color)
#4F3470
oklch(38.6% 0.102 302.7)
-
Step 950
950
#2D1E40
oklch(27.1% 0.063 302.8)
#4F3470 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) | #214072 | 0.073 |
| Deuteranopia (no green cones) | #28416F | 0.068 |
| Tritanopia (no blue cones) | #493F4D | 0.076 |
| Achromatopsia (no color) | #414141 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F3470
#4F3470
oklch(38.6% 0.102 302.7)
- #3B4B00
#3B4B00
oklch(38.5% 0.094 122.5)
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 #4F3470, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.069
- Rebecca Purple #663399 ΔE 0.080
- Grape Purple #5D1451 ΔE 0.082
- Twilight #4E518B ΔE 0.084
- Dusk #4E5481 ΔE 0.088
- Twilight Blue #0A437A ΔE 0.089
- Dark Grey Blue #29465B ΔE 0.089
Use #4F3470 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.