#4B2BB7
Closest named color: Violet Blue (#510AC9). oklch(42.8% 0.203 284.2), rgb(75, 43, 183).
Aa
White text reads best on this color (9.01:1).
About this color
#4B2BB7 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.203 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Violet Blue (#510AC9), ΔE 0.039 away. White text reads best on it, at 9.01:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.203) |
| Temperature | cool |
| Nearest name | Violet Blue (#510AC9) |
| Black text | 2.32:1 |
| White text | 9.01:1 |
Values
| HEX | #4B2BB7 |
| RGB | rgb(75, 43, 183) |
| HSL | hsl(254, 62%, 44%) |
| OKLCH | oklch(42.8% 0.203 284.2) |
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 #4B2BB7 | 9.01:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #4B2BB7 | 2.32:1 | Fails | Lc 14.2 | Not readable |
| #4B2BB7 text on white | 9.01:1 | AAA | Lc 89.7 | Fine for body text |
| #4B2BB7 text on black | 2.32:1 | Fails | Lc -12.5 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E7E8FF
oklch(93.7% 0.031 283.8)
-
Step 200
200
#D4D5FF
oklch(88.6% 0.058 284.1)
-
Step 300
300
#B9B8FF
oklch(80.9% 0.1 284.6)
-
Step 400
400
#9690FF
oklch(70.7% 0.159 284)
-
Step 500
500
#806FFF
oklch(63.2% 0.206 284.2)
-
Step 600
600
#6D45FF
oklch(55.6% 0.256 284.2)
-
Step 700
700
#5D30E2
oklch(49.1% 0.245 284.4)
-
Step 800
800 (this color)
#4B2BB7
oklch(42.8% 0.203 284.2)
-
Step 900
900
#3D2A90
oklch(37.6% 0.159 284.3)
-
Step 950
950
#231B54
oklch(27% 0.099 284)
#4B2BB7 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) | #004DBB | 0.088 |
| Deuteranopia (no green cones) | #0044B4 | 0.080 |
| Tritanopia (no blue cones) | #065370 | 0.168 |
| Achromatopsia (no color) | #494949 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2BB7
#4B2BB7
oklch(42.8% 0.203 284.2)
- #575100
#575100
oklch(42.7% 0.09 104.7)
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 #4B2BB7, closest first.
No curated palette has a color within ΔE 0.04 of #4B2BB7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Blue #510AC9 ΔE 0.039
- Majorelle Blue #3F37C9 ΔE 0.041
- Blue With A Hint Of Purple #533CC6 ΔE 0.044
- Chrysanthemum #560BAD ΔE 0.045
- Indigo Blue #3A18B1 ΔE 0.045
- Blurple #5539CC ΔE 0.047
- Imperial Purple #480CA8 ΔE 0.048
- Purple Blue #5D21D0 ΔE 0.049
Use #4B2BB7 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.