#524C9F
Closest named color: Twilight (#4E518B). oklch(46.6% 0.13 283.4), rgb(82, 76, 159).
Aa
White text reads best on this color (7.25:1).
About this color
#524C9F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.130 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.038 away. White text reads best on it, at 7.25:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #524C9F |
| RGB | rgb(82, 76, 159) |
| HSL | hsl(244, 35%, 46%) |
| OKLCH | oklch(46.6% 0.13 283.4) |
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 #524C9F | 7.25:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #524C9F | 2.89:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #524C9F text on white | 7.25:1 | AAA | Lc 85.0 | Fine for body text |
| #524C9F 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
#E8E9F6
oklch(93.7% 0.018 282.5)
-
Step 200
200
#D5D7F0
oklch(88.5% 0.034 282)
-
Step 300
300
#BABCE9
oklch(80.9% 0.063 282.9)
-
Step 400
400
#9898DE
oklch(70.7% 0.102 283.5)
-
Step 500
500
#807DD4
oklch(63% 0.129 283.6)
-
Step 600
600
#6A65C2
oklch(55.6% 0.141 283.3)
-
Step 700
700 (this color)
#524C9F
oklch(46.6% 0.13 283.4)
-
Step 800
800
#484587
oklch(42.7% 0.107 283)
-
Step 900
900
#3C3A6C
oklch(37.6% 0.084 283.4)
-
Step 950
950
#23223F
oklch(26.9% 0.053 283.8)
#524C9F 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) | #2459A2 | 0.059 |
| Deuteranopia (no green cones) | #20549D | 0.060 |
| Tritanopia (no blue cones) | #375E6E | 0.111 |
| Achromatopsia (no color) | #575757 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #524C9F
#524C9F
oklch(46.6% 0.13 283.4)
- #645B00
#645B00
oklch(46.5% 0.098 102.8)
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 #524C9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.038
- Blueberry #464196 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.056
- Dusk #4E5481 ΔE 0.058
- Dusky Blue #475F94 ΔE 0.059
- Rebecca Purple #663399 ΔE 0.064
- Dusk Blue #26538D ΔE 0.065
Use #524C9F 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.