#4D3F7D
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.101 291.8), rgb(77, 63, 125).
Aa
White text reads best on this color (9.04:1).
About this color
#4D3F7D is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.101 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.026 away. White text reads best on it, at 9.04:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.32:1 |
| White text | 9.04:1 |
Values
| HEX | #4D3F7D |
| RGB | rgb(77, 63, 125) |
| HSL | hsl(254, 33%, 37%) |
| OKLCH | oklch(41.3% 0.101 291.8) |
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 #4D3F7D | 9.04:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #4D3F7D | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #4D3F7D text on white | 9.04:1 | AAA | Lc 90.6 | Preferred for body text |
| #4D3F7D text on black | 2.32:1 | Fails | Lc -11.7 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#D9D6EE
oklch(88.6% 0.033 291.5)
-
Step 300
300
#C1BAE4
oklch(80.8% 0.059 292.7)
-
Step 400
400
#A196D7
oklch(70.7% 0.094 291.6)
-
Step 500
500
#8B7BCC
oklch(63.1% 0.12 291.7)
-
Step 600
600
#7663B9
oklch(55.7% 0.13 291.8)
-
Step 700
700
#63519F
oklch(49% 0.122 291.9)
-
Step 800
800 (this color)
#4D3F7D
oklch(41.3% 0.101 291.8)
-
Step 900
900
#433968
oklch(37.8% 0.079 292)
-
Step 950
950
#27223D
oklch(27.1% 0.049 291.2)
#4D3F7D 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) | #284A7F | 0.056 |
| Deuteranopia (no green cones) | #2A487C | 0.053 |
| Tritanopia (no blue cones) | #414B58 | 0.082 |
| Achromatopsia (no color) | #494949 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3F7D
#4D3F7D
oklch(41.3% 0.101 291.8)
- #4D4F00
#4D4F00
oklch(41.2% 0.091 111.4)
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 #4D3F7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.026
- Blueberry #464196 ΔE 0.042
- Twilight #4E518B ΔE 0.051
- Dusk #4E5481 ΔE 0.059
- Cobalt #1E488F ΔE 0.067
- Rebecca Purple #663399 ΔE 0.070
- Dusk Blue #26538D ΔE 0.070
- Light Navy #155084 ΔE 0.074
Use #4D3F7D 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.