#4D1797
Closest named color: Imperial Purple (#480CA8). oklch(37.7% 0.186 294.4), rgb(77, 23, 151).
Aa
White text reads best on this color (11.14:1).
About this color
#4D1797 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.186 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 0.032 away. White text reads best on it, at 11.14:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Imperial Purple (#480CA8) |
| Black text | 1.88:1 |
| White text | 11.14:1 |
Values
| HEX | #4D1797 |
| RGB | rgb(77, 23, 151) |
| HSL | hsl(265, 74%, 34%) |
| OKLCH | oklch(37.7% 0.186 294.4) |
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 #4D1797 | 11.14:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #4D1797 | 1.88:1 | Fails | Lc 9.4 | Not readable |
| #4D1797 text on white | 11.14:1 | AAA | Lc 94.5 | Preferred for body text |
| #4D1797 text on black | 1.88:1 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FF
oklch(93.6% 0.034 294.9)
-
Step 200
200
#DBD2FF
oklch(88.5% 0.062 294.3)
-
Step 300
300
#C5B3FF
oklch(80.9% 0.107 294.8)
-
Step 400
400
#A987FF
oklch(70.7% 0.172 294.7)
-
Step 500
500
#9662FF
oklch(63.1% 0.222 294.4)
-
Step 600
600
#862DFF
oklch(55.6% 0.275 294.4)
-
Step 700
700
#7400E5
oklch(49.1% 0.27 294.6)
-
Step 800
800
#5F00BE
oklch(42.7% 0.235 294.5)
-
Step 900
900 (this color)
#4D1797
oklch(37.7% 0.186 294.4)
-
Step 950
950
#2D1258
oklch(27.1% 0.117 294.9)
#4D1797 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) | #003D9A | 0.106 |
| Deuteranopia (no green cones) | #003995 | 0.103 |
| Tritanopia (no blue cones) | #363E59 | 0.143 |
| Achromatopsia (no color) | #3B3B3B | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D1797
#4D1797
oklch(37.7% 0.186 294.4)
- #414600
#414600
oklch(37.7% 0.085 114.3)
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 #4D1797, closest first.
No curated palette has a color within ΔE 0.04 of #4D1797.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Purple #480CA8 ΔE 0.032
- Chrysanthemum #560BAD ΔE 0.039
- Indigo #4B0082 ΔE 0.045
- Indigo Blue #3A18B1 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.075
- Royal Purple #4B006E ΔE 0.078
- Blueberry #464196 ΔE 0.080
Use #4D1797 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.