#524EA3
Closest named color: Twilight (#4E518B). oklch(47.2% 0.133 282.1), rgb(82, 78, 163).
Aa
White text reads best on this color (7.05:1).
About this color
#524EA3 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.133 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.042 away. White text reads best on it, at 7.05:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #524EA3 |
| RGB | rgb(82, 78, 163) |
| HSL | hsl(243, 35%, 47%) |
| OKLCH | oklch(47.2% 0.133 282.1) |
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 #524EA3 | 7.05:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #524EA3 | 2.97:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #524EA3 text on white | 7.05:1 | AAA | Lc 84.2 | Fine for body text |
| #524EA3 text on black | 2.97:1 | Fails | Lc -17.8 | 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
#D5D7F1
oklch(88.6% 0.036 282.1)
-
Step 300
300
#B9BCEA
oklch(80.8% 0.065 281.9)
-
Step 400
400
#9698DF
oklch(70.6% 0.103 282.2)
-
Step 500
500
#7E7ED6
oklch(63.2% 0.131 282)
-
Step 600
600
#6865C4
oklch(55.6% 0.144 282.1)
-
Step 700
700 (this color)
#524EA3
oklch(47.2% 0.133 282.1)
-
Step 800
800
#474589
oklch(42.8% 0.11 282)
-
Step 900
900
#3B3A6D
oklch(37.6% 0.086 282.3)
-
Step 950
950
#232240
oklch(26.9% 0.055 283.6)
#524EA3 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) | #245CA6 | 0.059 |
| Deuteranopia (no green cones) | #1E56A1 | 0.059 |
| Tritanopia (no blue cones) | #346171 | 0.115 |
| Achromatopsia (no color) | #595959 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #524EA3
#524EA3
oklch(47.2% 0.133 282.1)
- #675D00
#675D00
oklch(47.3% 0.099 102.2)
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 #524EA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.042
- Blueberry #464196 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.056
- Dusky Blue #475F94 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.059
- Dusk #4E5481 ΔE 0.061
- Iris #6258C4 ΔE 0.062
- Dusk Blue #26538D ΔE 0.068
Use #524EA3 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.