#4B3364
Closest named color: Dark Slate Blue (#483D8B). oklch(37.2% 0.085 305.2), rgb(75, 51, 100).
Aa
White text reads best on this color (10.73:1).
About this color
#4B3364 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.085 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.067 away. White text reads best on it, at 10.73:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.73:1 |
Values
| HEX | #4B3364 |
| RGB | rgb(75, 51, 100) |
| HSL | hsl(269, 32%, 30%) |
| OKLCH | oklch(37.2% 0.085 305.2) |
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 #4B3364 | 10.73:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #4B3364 | 1.95:1 | Fails | Lc 9.2 | Not readable |
| #4B3364 text on white | 10.73:1 | AAA | Lc 94.7 | Preferred for body text |
| #4B3364 text on black | 1.95:1 | Fails | Lc -7.9 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#DED4EC
oklch(88.5% 0.034 304.5)
-
Step 300
300
#CAB7E2
oklch(80.9% 0.063 305.1)
-
Step 400
400
#B090D4
oklch(70.7% 0.103 305.5)
-
Step 500
500
#9C73C8
oklch(63% 0.131 305.2)
-
Step 600
600
#875AB5
oklch(55.6% 0.142 305.1)
-
Step 700
700
#73499C
oklch(49.1% 0.133 305.4)
-
Step 800
800
#5D3D7E
oklch(42.7% 0.109 305)
-
Step 900
900 (this color)
#4B3364
oklch(37.2% 0.085 305.2)
-
Step 950
950
#2D1F3B
oklch(27% 0.054 306.2)
#4B3364 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) | #263D66 | 0.062 |
| Deuteranopia (no green cones) | #2C3E63 | 0.057 |
| Tritanopia (no blue cones) | #473B46 | 0.064 |
| Achromatopsia (no color) | #3E3E3E | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3364
#4B3364
oklch(37.2% 0.085 305.2)
- #36480B
#36480B
oklch(37.3% 0.086 125.2)
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 #4B3364, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.067
- Grape Purple #5D1451 ΔE 0.075
- Prussian Blue #1D3557 ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.078
- Onyx #343A40 ΔE 0.083
- Space Cadet #2B2D42 ΔE 0.086
- Charcoal Grey #3C4142 ΔE 0.086
- Dark Blue Grey #1F3B4D ΔE 0.086
Use #4B3364 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.