#4B458C
Closest named color: Dark Slate Blue (#483D8B). oklch(43.3% 0.114 284.4), rgb(75, 69, 140).
Aa
White text reads best on this color (8.30:1).
About this color
#4B458C is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.114 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.022 away. White text reads best on it, at 8.30:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #4B458C |
| RGB | rgb(75, 69, 140) |
| HSL | hsl(245, 34%, 41%) |
| OKLCH | oklch(43.3% 0.114 284.4) |
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 #4B458C | 8.30:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #4B458C | 2.52:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #4B458C text on white | 8.30:1 | AAA | Lc 88.5 | Fine for body text |
| #4B458C text on black | 2.52:1 | Fails | Lc -13.7 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BBBBEB
oklch(80.8% 0.067 284.8)
-
Step 400
400
#9997E1
oklch(70.7% 0.107 284.5)
-
Step 500
500
#817CD8
oklch(63.1% 0.136 284.3)
-
Step 600
600
#6C63C5
oklch(55.6% 0.148 284.7)
-
Step 700
700
#5A52AA
oklch(49.1% 0.136 284.3)
-
Step 800
800 (this color)
#4B458C
oklch(43.3% 0.114 284.4)
-
Step 900
900
#3D396E
oklch(37.6% 0.089 284.7)
-
Step 950
950
#242241
oklch(27.1% 0.057 284.9)
#4B458C 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) | #26508F | 0.051 |
| Deuteranopia (no green cones) | #244C8A | 0.051 |
| Tritanopia (no blue cones) | #365462 | 0.096 |
| Achromatopsia (no color) | #4E4E4E | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B458C
#4B458C
oklch(43.3% 0.114 284.4)
- #595300
#595300
oklch(43.4% 0.092 104.8)
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 #4B458C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.022
- Blueberry #464196 ΔE 0.022
- Twilight #4E518B ΔE 0.034
- Dusk #4E5481 ΔE 0.050
- Cobalt #1E488F ΔE 0.055
- Dusk Blue #26538D ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.065
Use #4B458C 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.