#4D317D
Closest named color: Dark Slate Blue (#483D8B). oklch(38.8% 0.124 297.3), rgb(77, 49, 125).
Aa
White text reads best on this color (10.23:1).
About this color
#4D317D is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.124 and its hue 297°. 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 10.23:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #4D317D |
| RGB | rgb(77, 49, 125) |
| HSL | hsl(262, 44%, 34%) |
| OKLCH | oklch(38.8% 0.124 297.3) |
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 #4D317D | 10.23:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #4D317D | 2.05:1 | Fails | Lc 10.5 | Not readable |
| #4D317D text on white | 10.23:1 | AAA | Lc 93.4 | Preferred for body text |
| #4D317D text on black | 2.05:1 | Fails | Lc -9.1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE6FA
oklch(93.5% 0.027 297.3)
-
Step 200
200
#DCD3F8
oklch(88.6% 0.051 296.5)
-
Step 300
300
#C7B4F6
oklch(80.9% 0.094 297.5)
-
Step 400
400
#AB8AF1
oklch(70.6% 0.149 297.2)
-
Step 500
500
#9869EC
oklch(63.1% 0.19 297.2)
-
Step 600
600
#844CDA
oklch(55.6% 0.206 297.3)
-
Step 700
700
#703CBD
oklch(49.1% 0.191 297.3)
-
Step 800
800
#5B3399
oklch(42.8% 0.158 297.2)
-
Step 900
900 (this color)
#4D317D
oklch(38.8% 0.124 297.3)
-
Step 950
950
#2B1C47
oklch(27% 0.078 297)
#4D317D 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) | #05417F | 0.089 |
| Deuteranopia (no green cones) | #14407B | 0.082 |
| Tritanopia (no blue cones) | #424152 | 0.096 |
| Achromatopsia (no color) | #414141 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D317D
#4D317D
oklch(38.8% 0.124 297.3)
- #414A00
#414A00
oklch(38.7% 0.09 117.4)
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 #4D317D, 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 0.055
- Rebecca Purple #663399 ΔE 0.066
- Indigo #4B0082 ΔE 0.075
- Royal Purple #4B006E ΔE 0.084
- Cobalt #1E488F ΔE 0.084
- Twilight #4E518B ΔE 0.085
- Twilight Blue #0A437A ΔE 0.089
Use #4D317D 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.