#4C3582
Closest named color: Dark Slate Blue (#483D8B). oklch(39.7% 0.124 293.7), rgb(76, 53, 130).
Aa
White text reads best on this color (9.81:1).
About this color
#4C3582 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.124 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 0.024 away. White text reads best on it, at 9.81:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.81:1 |
Values
| HEX | #4C3582 |
| RGB | rgb(76, 53, 130) |
| HSL | hsl(258, 42%, 36%) |
| OKLCH | oklch(39.7% 0.124 293.7) |
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 #4C3582 | 9.81:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #4C3582 | 2.13:1 | Fails | Lc 11.5 | Not readable |
| #4C3582 text on white | 9.81:1 | AAA | Lc 92.5 | Preferred for body text |
| #4C3582 text on black | 2.13:1 | Fails | Lc -10.0 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DAD3F9
oklch(88.4% 0.052 293.7)
-
Step 300
300
#C3B5F8
oklch(80.8% 0.094 293.8)
-
Step 400
400
#A68CF4
oklch(70.7% 0.15 293.7)
-
Step 500
500
#926BEF
oklch(63% 0.191 293.8)
-
Step 600
600
#7E4FDE
oklch(55.7% 0.207 293.7)
-
Step 700
700
#6B3EC1
oklch(49.2% 0.193 293.9)
-
Step 800
800
#57349C
oklch(42.7% 0.16 294)
-
Step 900
900 (this color)
#4C3582
oklch(39.7% 0.124 293.7)
-
Step 950
950
#291D49
oklch(27.1% 0.079 293)
#4C3582 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) | #094485 | 0.081 |
| Deuteranopia (no green cones) | #134280 | 0.077 |
| Tritanopia (no blue cones) | #3E4656 | 0.100 |
| Achromatopsia (no color) | #434343 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3582
#4C3582
oklch(39.7% 0.124 293.7)
- #474C00
#474C00
oklch(39.8% 0.09 114)
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 #4C3582, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.024
- Blueberry #464196 ΔE 0.043
- Rebecca Purple #663399 ΔE 0.061
- Cobalt #1E488F ΔE 0.074
- Twilight #4E518B ΔE 0.075
- Indigo #4B0082 ΔE 0.083
- Twilight Blue #0A437A ΔE 0.084
- Dusk #4E5481 ΔE 0.086
Use #4C3582 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.