#5537AD
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(44.4% 0.178 288.7), rgb(85, 55, 173).
Aa
White text reads best on this color (8.28:1).
About this color
#5537AD is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.178 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.042 away. White text reads best on it, at 8.28:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #5537AD |
| RGB | rgb(85, 55, 173) |
| HSL | hsl(255, 52%, 45%) |
| OKLCH | oklch(44.4% 0.178 288.7) |
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 #5537AD | 8.28:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #5537AD | 2.53:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #5537AD text on white | 8.28:1 | AAA | Lc 88.0 | Fine for body text |
| #5537AD text on black | 2.53:1 | Fails | Lc -14.2 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D7D4FE
oklch(88.6% 0.058 288.4)
-
Step 300
300
#BEB6FF
oklch(80.9% 0.102 288.9)
-
Step 400
400
#9E8CFF
oklch(70.6% 0.164 288.7)
-
Step 500
500
#8A6AFF
oklch(63.2% 0.212 288.7)
-
Step 600
600
#764BEE
oklch(55.7% 0.23 288.7)
-
Step 700
700
#643ACF
oklch(49.1% 0.214 288.9)
-
Step 800
800 (this color)
#5537AD
oklch(44.4% 0.178 288.7)
-
Step 900
900
#422E85
oklch(37.7% 0.139 288.5)
-
Step 950
950
#261C4E
oklch(27% 0.088 288.2)
#5537AD 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) | #0051B1 | 0.093 |
| Deuteranopia (no green cones) | #004BAB | 0.090 |
| Tritanopia (no blue cones) | #36556D | 0.145 |
| Achromatopsia (no color) | #4E4E4E | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5537AD
#5537AD
oklch(44.4% 0.178 288.7)
- #585700
#585700
oklch(44.3% 0.096 109)
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 #5537AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.042
- Rebecca Purple #663399 ΔE 0.047
- Blueberry #464196 ΔE 0.049
- Blurple #5539CC ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.052
- Majorelle Blue #3F37C9 ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.061
Use #5537AD 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.