#4B27BC
Closest named color: Violet Blue (#510AC9). oklch(42.8% 0.213 283.9), rgb(75, 39, 188).
Aa
White text reads best on this color (9.06:1).
About this color
#4B27BC is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.213 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Violet Blue (#510AC9), ΔE 0.031 away. White text reads best on it, at 9.06:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Violet Blue (#510AC9) |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #4B27BC |
| RGB | rgb(75, 39, 188) |
| HSL | hsl(254, 66%, 45%) |
| OKLCH | oklch(42.8% 0.213 283.9) |
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 #4B27BC | 9.06:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #4B27BC | 2.31:1 | Fails | Lc 14.3 | Not readable |
| #4B27BC text on white | 9.06:1 | AAA | Lc 89.7 | Fine for body text |
| #4B27BC text on black | 2.31:1 | 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
#B8B8FF
oklch(80.8% 0.1 283.9)
-
Step 400
400
#9690FF
oklch(70.7% 0.159 284)
-
Step 500
500
#7F6FFF
oklch(63.1% 0.206 283.8)
-
Step 600
600
#6C46FF
oklch(55.6% 0.255 283.8)
-
Step 700
700
#5D29E9
oklch(49.2% 0.258 284)
-
Step 800
800 (this color)
#4B27BC
oklch(42.8% 0.213 283.9)
-
Step 900
900
#3D2894
oklch(37.7% 0.166 284)
-
Step 950
950
#231A57
oklch(27.1% 0.105 283.6)
#4B27BC 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) | #004DC0 | 0.091 |
| Deuteranopia (no green cones) | #0044B9 | 0.082 |
| Tritanopia (no blue cones) | #005472 | 0.175 |
| Achromatopsia (no color) | #494949 | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B27BC
#4B27BC
oklch(42.8% 0.213 283.9)
- #585100
#585100
oklch(42.8% 0.09 103.8)
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 #4B27BC, closest first.
No curated palette has a color within ΔE 0.04 of #4B27BC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Blue #510AC9 ΔE 0.031
- Majorelle Blue #3F37C9 ΔE 0.038
- Purple Blue #5D21D0 ΔE 0.044
- Indigo Blue #3A18B1 ΔE 0.044
- Blue With A Hint Of Purple #533CC6 ΔE 0.044
- Chrysanthemum #560BAD ΔE 0.046
- Blurple #5539CC ΔE 0.046
- Imperial Purple #480CA8 ΔE 0.049
Use #4B27BC 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.