#4D3C7B
Closest named color: Dark Slate Blue (#483D8B). oklch(40.6% 0.103 293.7), rgb(77, 60, 123).
Aa
White text reads best on this color (9.34:1).
About this color
#4D3C7B is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.103 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.028 away. White text reads best on it, at 9.34:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.34:1 |
Values
| HEX | #4D3C7B |
| RGB | rgb(77, 60, 123) |
| HSL | hsl(256, 34%, 36%) |
| OKLCH | oklch(40.6% 0.103 293.7) |
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 #4D3C7B | 9.34:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #4D3C7B | 2.24:1 | Fails | Lc 12.6 | Not readable |
| #4D3C7B text on white | 9.34:1 | AAA | Lc 91.4 | Preferred for body text |
| #4D3C7B text on black | 2.24:1 | Fails | Lc -11.0 | 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 800.
-
Step 50
50
#F5F4FA
oklch(97% 0.008 293.9)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EE
oklch(88.5% 0.034 294.9)
-
Step 300
300
#C2BAE5
oklch(81% 0.061 293.5)
-
Step 400
400
#A395D7
oklch(70.7% 0.096 293.5)
-
Step 500
500
#8E7ACC
oklch(63.2% 0.122 293.8)
-
Step 600
600
#7861B9
oklch(55.5% 0.134 293.6)
-
Step 700
700
#6550A0
oklch(49.1% 0.125 293.4)
-
Step 800
800 (this color)
#4D3C7B
oklch(40.6% 0.103 293.7)
-
Step 900
900
#443868
oklch(37.7% 0.081 293.7)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#4D3C7B 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) | #25477D | 0.060 |
| Deuteranopia (no green cones) | #28467A | 0.057 |
| Tritanopia (no blue cones) | #424855 | 0.083 |
| Achromatopsia (no color) | #474747 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3C7B
#4D3C7B
oklch(40.6% 0.103 293.7)
- #494E00
#494E00
oklch(40.5% 0.091 113.9)
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 #4D3C7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.028
- Blueberry #464196 ΔE 0.046
- Twilight #4E518B ΔE 0.060
- Dusk #4E5481 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.070
- Cobalt #1E488F ΔE 0.070
- Dusk Blue #26538D ΔE 0.077
- Twilight Blue #0A437A ΔE 0.078
Use #4D3C7B 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.