#504D9E
Closest named color: Twilight (#4E518B). oklch(46.5% 0.128 281.9), rgb(80, 77, 158).
Aa
White text reads best on this color (7.25:1).
About this color
#504D9E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.128 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.035 away. White text reads best on it, at 7.25:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #504D9E |
| RGB | rgb(80, 77, 158) |
| HSL | hsl(242, 34%, 46%) |
| OKLCH | oklch(46.5% 0.128 281.9) |
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 #504D9E | 7.25:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #504D9E | 2.89:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #504D9E text on white | 7.25:1 | AAA | Lc 85.0 | Fine for body text |
| #504D9E text on black | 2.89:1 | Fails | Lc -17.0 | 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 700.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D5D7F0
oklch(88.5% 0.034 282)
-
Step 300
300
#B9BCE8
oklch(80.8% 0.062 281.8)
-
Step 400
400
#9699DD
oklch(70.7% 0.099 281.6)
-
Step 500
500
#7E7ED3
oklch(63% 0.126 282.2)
-
Step 600
600
#6866C1
oklch(55.6% 0.138 281.9)
-
Step 700
700 (this color)
#504D9E
oklch(46.5% 0.128 281.9)
-
Step 800
800
#474587
oklch(42.6% 0.107 282.2)
-
Step 900
900
#3B3B6C
oklch(37.7% 0.083 281.7)
-
Step 950
950
#22233F
oklch(27% 0.052 280.8)
#504D9E 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) | #275AA1 | 0.054 |
| Deuteranopia (no green cones) | #21549C | 0.055 |
| Tritanopia (no blue cones) | #345F6E | 0.110 |
| Achromatopsia (no color) | #575757 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504D9E
#504D9E
oklch(46.5% 0.128 281.9)
- #655B00
#655B00
oklch(46.6% 0.098 102)
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 #504D9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.035
- Blueberry #464196 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.052
- Dusk #4E5481 ΔE 0.055
- Dusky Blue #475F94 ΔE 0.055
- Dusk Blue #26538D ΔE 0.061
- Rebecca Purple #663399 ΔE 0.067
Use #504D9E 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.