#4C2671
Closest named color: Royal Purple (#4B006E). oklch(36% 0.125 304.1), rgb(76, 38, 113).
Aa
White text reads best on this color (11.51:1).
About this color
#4C2671 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.125 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.056 away. White text reads best on it, at 11.51:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.82:1 |
| White text | 11.51:1 |
Values
| HEX | #4C2671 |
| RGB | rgb(76, 38, 113) |
| HSL | hsl(270, 50%, 30%) |
| OKLCH | oklch(36% 0.125 304.1) |
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 #4C2671 | 11.51:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #4C2671 | 1.82:1 | Fails | Lc 7.8 | Not readable |
| #4C2671 text on white | 11.51:1 | AAA | Lc 96.1 | Preferred for body text |
| #4C2671 text on black | 1.82:1 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EEE6F9
oklch(93.7% 0.027 304.8)
-
Step 200
200
#E0D1F6
oklch(88.4% 0.053 303.7)
-
Step 300
300
#CEB2F2
oklch(81% 0.093 304.4)
-
Step 400
400
#B587EC
oklch(70.8% 0.15 303.8)
-
Step 500
500
#A464E6
oklch(63.2% 0.193 304.1)
-
Step 600
600
#8F46D4
oklch(55.6% 0.209 303.9)
-
Step 700
700
#7A36B7
oklch(49.1% 0.194 304.2)
-
Step 800
800
#632E94
oklch(42.6% 0.161 304.2)
-
Step 900
900 (this color)
#4C2671
oklch(36% 0.125 304.1)
-
Step 950
950
#2F1A45
oklch(26.9% 0.079 304.1)
#4C2671 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) | #003873 | 0.101 |
| Deuteranopia (no green cones) | #11396F | 0.094 |
| Tritanopia (no blue cones) | #453648 | 0.091 |
| Achromatopsia (no color) | #393939 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C2671
#4C2671
oklch(36% 0.125 304.1)
- #334400
#334400
oklch(35.9% 0.089 124.1)
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 #4C2671, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.056
- Indigo #4B0082 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.067
- Grape Purple #5D1451 ΔE 0.071
- Plum Purple #4E0550 ΔE 0.077
- Blueberry #464196 ΔE 0.086
- Rebecca Purple #663399 ΔE 0.088
- Deep Violet #490648 ΔE 0.089
Use #4C2671 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.