#5734AB
Closest named color: Rebecca Purple (#663399). oklch(44% 0.179 290.6), rgb(87, 52, 171).
Aa
White text reads best on this color (8.45:1).
About this color
#5734AB is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.179 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.042 away. White text reads best on it, at 8.45:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.48:1 |
| White text | 8.45:1 |
Values
| HEX | #5734AB |
| RGB | rgb(87, 52, 171) |
| HSL | hsl(258, 53%, 44%) |
| OKLCH | oklch(44% 0.179 290.6) |
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 #5734AB | 8.45:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #5734AB | 2.48:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #5734AB text on white | 8.45:1 | AAA | Lc 88.5 | Fine for body text |
| #5734AB text on black | 2.48:1 | Fails | Lc -13.7 | 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
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D8D3FE
oklch(88.5% 0.059 290.5)
-
Step 300
300
#C0B5FF
oklch(80.9% 0.104 290.7)
-
Step 400
400
#A28BFF
oklch(70.7% 0.166 290.7)
-
Step 500
500
#8E68FE
oklch(63.2% 0.213 290.7)
-
Step 600
600
#7A48ED
oklch(55.6% 0.232 290.7)
-
Step 700
700
#6737CE
oklch(49% 0.216 290.7)
-
Step 800
800 (this color)
#5734AB
oklch(44% 0.179 290.6)
-
Step 900
900
#442D84
oklch(37.7% 0.139 290.3)
-
Step 950
950
#281B4D
oklch(26.9% 0.088 291.3)
#5734AB 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) | #004FAF | 0.098 |
| Deuteranopia (no green cones) | #004AA9 | 0.096 |
| Tritanopia (no blue cones) | #3B526B | 0.144 |
| Achromatopsia (no color) | #4D4D4D | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5734AB
#5734AB
oklch(44% 0.179 290.6)
- #555700
#555700
oklch(44% 0.097 111.3)
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 #5734AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.042
- Blue With A Hint Of Purple #533CC6 ΔE 0.047
- Blueberry #464196 ΔE 0.051
- Chrysanthemum #560BAD ΔE 0.053
- Blurple #5539CC ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.061
- Purple Blue #5D21D0 ΔE 0.062
Use #5734AB 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.