#4B368A
Closest named color: Dark Slate Blue (#483D8B). oklch(40.4% 0.134 290.7), rgb(75, 54, 138).
Aa
White text reads best on this color (9.57:1).
About this color
#4B368A is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.134 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.017 away. White text reads best on it, at 9.57:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.57:1 |
Values
| HEX | #4B368A |
| RGB | rgb(75, 54, 138) |
| HSL | hsl(255, 44%, 38%) |
| OKLCH | oklch(40.4% 0.134 290.7) |
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 #4B368A | 9.57:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #4B368A | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #4B368A text on white | 9.57:1 | AAA | Lc 91.8 | Preferred for body text |
| #4B368A text on black | 2.19:1 | Fails | Lc -10.6 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F4
oklch(88.5% 0.042 289.9)
-
Step 300
300
#C0B8F0
oklch(80.8% 0.079 291.1)
-
Step 400
400
#A192E9
oklch(70.8% 0.126 290.7)
-
Step 500
500
#8B74E2
oklch(63.1% 0.161 290.7)
-
Step 600
600
#765ACF
oklch(55.5% 0.173 290.7)
-
Step 700
700
#6449B4
oklch(49.2% 0.162 290.8)
-
Step 800
800 (this color)
#4B368A
oklch(40.4% 0.134 290.7)
-
Step 900
900
#433574
oklch(37.8% 0.104 290.8)
-
Step 950
950
#271F44
oklch(26.9% 0.067 291.2)
#4B368A 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) | #00478D | 0.082 |
| Deuteranopia (no green cones) | #004388 | 0.081 |
| Tritanopia (no blue cones) | #38495A | 0.110 |
| Achromatopsia (no color) | #454545 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B368A
#4B368A
oklch(40.4% 0.134 290.7)
- #4B4C00
#4B4C00
oklch(40.2% 0.088 110.6)
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 #4B368A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.017
- Blueberry #464196 ΔE 0.032
- Rebecca Purple #663399 ΔE 0.056
- Cobalt #1E488F ΔE 0.069
- Twilight #4E518B ΔE 0.072
- Imperial Purple #480CA8 ΔE 0.079
- Sapphire #2138AB ΔE 0.080
- Chrysanthemum #560BAD ΔE 0.082
Use #4B368A 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.