#4D139B
Closest named color: Imperial Purple (#480CA8). oklch(37.8% 0.193 293.7), rgb(77, 19, 155).
Aa
White text reads best on this color (11.15:1).
About this color
#4D139B is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.193 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Imperial Purple (#480CA8), ΔE 0.025 away. White text reads best on it, at 11.15:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.193) |
| Temperature | in between |
| Nearest name | Imperial Purple (#480CA8) |
| Black text | 1.88:1 |
| White text | 11.15:1 |
Values
| HEX | #4D139B |
| RGB | rgb(77, 19, 155) |
| HSL | hsl(266, 78%, 34%) |
| OKLCH | oklch(37.8% 0.193 293.7) |
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 #4D139B | 11.15:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #4D139B | 1.88:1 | Fails | Lc 9.6 | Not readable |
| #4D139B text on white | 11.15:1 | AAA | Lc 94.4 | Preferred for body text |
| #4D139B text on black | 1.88:1 | Fails | Lc -8.2 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EAE6FF
oklch(93.6% 0.034 293.1)
-
Step 200
200
#DAD2FF
oklch(88.5% 0.062 293.2)
-
Step 300
300
#C4B4FF
oklch(81% 0.106 293.7)
-
Step 400
400
#A788FF
oklch(70.7% 0.17 293.6)
-
Step 500
500
#9563FF
oklch(63.2% 0.221 293.9)
-
Step 600
600
#842FFF
oklch(55.6% 0.274 293.6)
-
Step 700
700
#7300E7
oklch(49.2% 0.272 293.8)
-
Step 800
800
#5E00BF
oklch(42.7% 0.236 293.8)
-
Step 900
900 (this color)
#4D139B
oklch(37.8% 0.193 293.7)
-
Step 950
950
#2C105A
oklch(26.9% 0.122 293.7)
#4D139B 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) | #003D9E | 0.107 |
| Deuteranopia (no green cones) | #003999 | 0.104 |
| Tritanopia (no blue cones) | #343E5B | 0.147 |
| Achromatopsia (no color) | #3B3B3B | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D139B
#4D139B
oklch(37.8% 0.193 293.7)
- #424600
#424600
oklch(37.8% 0.084 113.4)
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 #4D139B, closest first.
No curated palette has a color within ΔE 0.04 of #4D139B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Purple #480CA8 ΔE 0.025
- Chrysanthemum #560BAD ΔE 0.033
- Indigo #4B0082 ΔE 0.049
- Indigo Blue #3A18B1 ΔE 0.055
- Violet Blue #510AC9 ΔE 0.076
- Rebecca Purple #663399 ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.080
- Royal Purple #4B006E ΔE 0.082
Use #4D139B 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.