#4B2C77
Closest named color: Dark Slate Blue (#483D8B). oklch(37.2% 0.123 299.4), rgb(75, 44, 119).
Aa
White text reads best on this color (10.90:1).
About this color
#4B2C77 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.123 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 10.90:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.92:1 |
| White text | 10.90:1 |
Values
| HEX | #4B2C77 |
| RGB | rgb(75, 44, 119) |
| HSL | hsl(265, 46%, 32%) |
| OKLCH | oklch(37.2% 0.123 299.4) |
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 #4B2C77 | 10.90:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #4B2C77 | 1.92:1 | Fails | Lc 9.0 | Not readable |
| #4B2C77 text on white | 10.90:1 | AAA | Lc 94.9 | Preferred for body text |
| #4B2C77 text on black | 1.92:1 | Fails | Lc -7.7 | 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 900.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DED2F7
oklch(88.5% 0.052 300.1)
-
Step 300
300
#C9B4F4
oklch(81% 0.091 299.4)
-
Step 400
400
#AE89EF
oklch(70.6% 0.149 299.3)
-
Step 500
500
#9C68E9
oklch(63.1% 0.189 299.6)
-
Step 600
600
#874BD8
oklch(55.6% 0.206 299.1)
-
Step 700
700
#733ABB
oklch(49% 0.192 299.4)
-
Step 800
800
#5D3297
oklch(42.7% 0.158 299.1)
-
Step 900
900 (this color)
#4B2C77
oklch(37.2% 0.123 299.4)
-
Step 950
950
#2C1B47
oklch(26.9% 0.08 298.8)
#4B2C77 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) | #003D79 | 0.093 |
| Deuteranopia (no green cones) | #113C75 | 0.085 |
| Tritanopia (no blue cones) | #413C4D | 0.094 |
| Achromatopsia (no color) | #3D3D3D | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2C77
#4B2C77
oklch(37.2% 0.123 299.4)
- #3B4600
#3B4600
oklch(37.1% 0.088 119.4)
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 #4B2C77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Indigo #4B0082 ΔE 0.065
- Blueberry #464196 ΔE 0.070
- Royal Purple #4B006E ΔE 0.070
- Rebecca Purple #663399 ΔE 0.078
- Grape Purple #5D1451 ΔE 0.084
- Imperial Purple #480CA8 ΔE 0.092
- Twilight Blue #0A437A ΔE 0.093
Use #4B2C77 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.