#471C99
Closest named color: Imperial Purple (#480CA8). oklch(37.7% 0.184 290.1), rgb(71, 28, 153).
Aa
White text reads best on this color (11.08:1).
About this color
#471C99 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.184 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Imperial Purple (#480CA8), ΔE 0.027 away. White text reads best on it, at 11.08:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Imperial Purple (#480CA8) |
| Black text | 1.89:1 |
| White text | 11.08:1 |
Values
| HEX | #471C99 |
| RGB | rgb(71, 28, 153) |
| HSL | hsl(261, 69%, 35%) |
| OKLCH | oklch(37.7% 0.184 290.1) |
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 #471C99 | 11.08:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #471C99 | 1.89:1 | Fails | Lc 9.4 | Not readable |
| #471C99 text on white | 11.08:1 | AAA | Lc 94.5 | Preferred for body text |
| #471C99 text on black | 1.89:1 | Fails | Lc -8.1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FF
oklch(93.7% 0.032 289.6)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300
#BFB5FF
oklch(80.8% 0.104 290.1)
-
Step 400
400
#A18BFF
oklch(70.7% 0.166 290.2)
-
Step 500
500
#8D68FF
oklch(63.2% 0.214 290.2)
-
Step 600
600
#7C39FF
oklch(55.6% 0.266 290.2)
-
Step 700
700
#6C00EE
oklch(49.2% 0.278 290.1)
-
Step 800
800
#580AC2
oklch(42.7% 0.235 290.3)
-
Step 900
900 (this color)
#471C99
oklch(37.7% 0.184 290.1)
-
Step 950
950
#29145A
oklch(27.1% 0.117 290)
#471C99 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) | #003E9C | 0.094 |
| Deuteranopia (no green cones) | #003997 | 0.090 |
| Tritanopia (no blue cones) | #28415B | 0.146 |
| Achromatopsia (no color) | #3C3C3C | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #471C99
#471C99
oklch(37.7% 0.184 290.1)
- #444500
#444500
oklch(37.7% 0.083 110.7)
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 #471C99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Purple #480CA8 ΔE 0.027
- Chrysanthemum #560BAD ΔE 0.043
- Indigo Blue #3A18B1 ΔE 0.049
- Indigo #4B0082 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.070
- Blueberry #464196 ΔE 0.074
- Sapphire #2138AB ΔE 0.077
- Rebecca Purple #663399 ΔE 0.078
Use #471C99 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.