#523EA4
Closest named color: Blueberry (#464196). oklch(44.4% 0.157 287.2), rgb(82, 62, 164).
Aa
White text reads best on this color (8.12:1).
About this color
#523EA4 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.157 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.031 away. White text reads best on it, at 8.12:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #523EA4 |
| RGB | rgb(82, 62, 164) |
| HSL | hsl(252, 45%, 44%) |
| OKLCH | oklch(44.4% 0.157 287.2) |
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 #523EA4 | 8.12:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #523EA4 | 2.58:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #523EA4 text on white | 8.12:1 | AAA | Lc 87.7 | Fine for body text |
| #523EA4 text on black | 2.58:1 | Fails | Lc -14.4 | 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 800.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E8FB
oklch(93.7% 0.026 285.9)
-
Step 200
200
#D6D5FA
oklch(88.6% 0.051 286.6)
-
Step 300
300
#BCB8F9
oklch(80.9% 0.091 287)
-
Step 400
400
#9C90F7
oklch(70.7% 0.148 287.3)
-
Step 500
500
#8671F3
oklch(63.2% 0.187 287.2)
-
Step 600
600
#7155E1
oklch(55.6% 0.203 287)
-
Step 700
700
#5F44C4
oklch(49.1% 0.189 286.9)
-
Step 800
800 (this color)
#523EA4
oklch(44.4% 0.157 287.2)
-
Step 900
900
#40327E
oklch(37.7% 0.123 287.4)
-
Step 950
950
#251E4A
oklch(27% 0.079 287.2)
#523EA4 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) | #0052A7 | 0.084 |
| Deuteranopia (no green cones) | #004DA2 | 0.082 |
| Tritanopia (no blue cones) | #35566B | 0.130 |
| Achromatopsia (no color) | #4F4F4F | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523EA4
#523EA4
oklch(44.4% 0.157 287.2)
- #5A5700
#5A5700
oklch(44.5% 0.096 107.4)
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 #523EA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.044
- Rebecca Purple #663399 ΔE 0.045
- Blue With A Hint Of Purple #533CC6 ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.062
- Blurple #5539CC ΔE 0.064
- Twilight #4E518B ΔE 0.067
- Majorelle Blue #3F37C9 ΔE 0.069
Use #523EA4 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.