#4F317E
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.125 298.4), rgb(79, 49, 126).
Aa
White text reads best on this color (10.13:1).
About this color
#4F317E is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.125 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.036 away. White text reads best on it, at 10.13:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #4F317E |
| RGB | rgb(79, 49, 126) |
| HSL | hsl(263, 44%, 34%) |
| OKLCH | oklch(39% 0.125 298.4) |
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 #4F317E | 10.13:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #4F317E | 2.07:1 | Fails | Lc 10.8 | Not readable |
| #4F317E text on white | 10.13:1 | AAA | Lc 93.2 | Preferred for body text |
| #4F317E text on black | 2.07:1 | Fails | Lc -9.3 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F8
oklch(88.5% 0.053 298.5)
-
Step 300
300
#C8B4F6
oklch(81% 0.094 298.2)
-
Step 400
400
#AD89F1
oklch(70.6% 0.151 298.4)
-
Step 500
500
#9A68EC
oklch(63.1% 0.192 298.2)
-
Step 600
600
#864ADA
oklch(55.5% 0.209 298.4)
-
Step 700
700
#723ABD
oklch(49.1% 0.194 298.5)
-
Step 800
800
#5C3199
oklch(42.6% 0.161 298.2)
-
Step 900
900 (this color)
#4F317E
oklch(39% 0.125 298.4)
-
Step 950
950
#2C1B47
oklch(26.9% 0.08 298.8)
#4F317E 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) | #054281 | 0.092 |
| Deuteranopia (no green cones) | #15417C | 0.085 |
| Tritanopia (no blue cones) | #444152 | 0.097 |
| Achromatopsia (no color) | #414141 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F317E
#4F317E
oklch(39% 0.125 298.4)
- #414B00
#414B00
oklch(39% 0.091 118.1)
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 #4F317E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.036
- Blueberry #464196 ΔE 0.054
- Rebecca Purple #663399 ΔE 0.062
- Indigo #4B0082 ΔE 0.075
- Twilight #4E518B ΔE 0.084
- Royal Purple #4B006E ΔE 0.085
- Cobalt #1E488F ΔE 0.086
- Imperial Purple #480CA8 ΔE 0.089
Use #4F317E 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.