#504C97
Closest named color: Twilight (#4E518B). oklch(45.9% 0.119 283.1), rgb(80, 76, 151).
Aa
White text reads best on this color (7.44:1).
About this color
#504C97 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.119 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.026 away. White text reads best on it, at 7.44:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.82:1 |
| White text | 7.44:1 |
Values
| HEX | #504C97 |
| RGB | rgb(80, 76, 151) |
| HSL | hsl(243, 33%, 45%) |
| OKLCH | oklch(45.9% 0.119 283.1) |
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 #504C97 | 7.44:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #504C97 | 2.82:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #504C97 text on white | 7.44:1 | AAA | Lc 85.7 | Fine for body text |
| #504C97 text on black | 2.82:1 | Fails | Lc -16.4 | Dividers and decoration only |
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 800.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F7
oklch(93.5% 0.02 282.9)
-
Step 200
200
#D5D6F3
oklch(88.4% 0.04 284)
-
Step 300
300
#BABBED
oklch(80.8% 0.07 283.8)
-
Step 400
400
#9797E4
oklch(70.7% 0.112 283.2)
-
Step 500
500
#7F7CDC
oklch(63.2% 0.142 283)
-
Step 600
600
#6963C9
oklch(55.6% 0.153 282.9)
-
Step 700
700
#5851AE
oklch(49.1% 0.144 283.1)
-
Step 800
800 (this color)
#504C97
oklch(45.9% 0.119 283.1)
-
Step 900
900
#3C3971
oklch(37.7% 0.093 283.4)
-
Step 950
950
#232242
oklch(27.1% 0.058 283.2)
#504C97 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) | #2C589A | 0.051 |
| Deuteranopia (no green cones) | #285395 | 0.051 |
| Tritanopia (no blue cones) | #385C6A | 0.102 |
| Achromatopsia (no color) | #555555 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504C97
#504C97
oklch(45.9% 0.119 283.1)
- #625900
#625900
oklch(45.8% 0.096 102.7)
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 #504C97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.026
- Blueberry #464196 ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.045
- Dusk #4E5481 ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.054
- Dusk Blue #26538D ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.064
Use #504C97 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.