#4E2178
Closest named color: Indigo (#4B0082). oklch(36.1% 0.141 303.7), rgb(78, 33, 120).
Aa
White text reads best on this color (11.58:1).
About this color
#4E2178 is a dark, vivid purple. In OKLCH its lightness is 36%, its chroma 0.141 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.044 away. White text reads best on it, at 11.58:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.81:1 |
| White text | 11.58:1 |
Values
| HEX | #4E2178 |
| RGB | rgb(78, 33, 120) |
| HSL | hsl(271, 57%, 30%) |
| OKLCH | oklch(36.1% 0.141 303.7) |
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 #4E2178 | 11.58:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #4E2178 | 1.81:1 | Fails | Lc 7.9 | Not readable |
| #4E2178 text on white | 11.58:1 | AAA | Lc 96.0 | Preferred for body text |
| #4E2178 text on black | 1.81:1 | Fails | Lc 0.0 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EEE5FB
oklch(93.5% 0.031 304.3)
-
Step 200
200
#E1D0FA
oklch(88.5% 0.06 303.6)
-
Step 300
300
#CFB0F9
oklch(81% 0.106 303.6)
-
Step 400
400
#B782F6
oklch(70.6% 0.17 303.4)
-
Step 500
500
#A75CF1
oklch(63.1% 0.217 304)
-
Step 600
600
#933AE0
oklch(55.6% 0.236 303.9)
-
Step 700
700
#7D2AC3
oklch(49.1% 0.22 303.6)
-
Step 800
800
#65269D
oklch(42.6% 0.181 303.5)
-
Step 900
900 (this color)
#4E2178
oklch(36.1% 0.141 303.7)
-
Step 950
950
#301849
oklch(27% 0.089 303.6)
#4E2178 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) | #00387B | 0.107 |
| Deuteranopia (no green cones) | #003976 | 0.108 |
| Tritanopia (no blue cones) | #46354A | 0.102 |
| Achromatopsia (no color) | #393939 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E2178
#4E2178
oklch(36.1% 0.141 303.7)
- #344400
#344400
oklch(35.9% 0.089 123.4)
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 #4E2178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.044
- Royal Purple #4B006E ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.069
- Grape Purple #5D1451 ΔE 0.077
- Plum Purple #4E0550 ΔE 0.081
- Rebecca Purple #663399 ΔE 0.082
- Imperial Purple #480CA8 ΔE 0.085
- Blueberry #464196 ΔE 0.086
Use #4E2178 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.