#5B3EAC
Closest named color: Rebecca Purple (#663399). oklch(45.9% 0.167 290.4), rgb(91, 62, 172).
Aa
White text reads best on this color (7.69:1).
About this color
#5B3EAC is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.167 and its hue 290°. 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 7.69:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #5B3EAC |
| RGB | rgb(91, 62, 172) |
| HSL | hsl(256, 47%, 46%) |
| OKLCH | oklch(45.9% 0.167 290.4) |
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 #5B3EAC | 7.69:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #5B3EAC | 2.72:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #5B3EAC text on white | 7.69:1 | AAA | Lc 86.3 | Fine for body text |
| #5B3EAC text on black | 2.72:1 | Fails | Lc -15.8 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D8D5F5
oklch(88.5% 0.044 289.8)
-
Step 300
300
#C0B8F2
oklch(80.9% 0.081 290.8)
-
Step 400
400
#A091EB
oklch(70.6% 0.13 290.3)
-
Step 500
500
#8B73E5
oklch(63.1% 0.166 290.5)
-
Step 600
600
#7659D3
oklch(55.7% 0.18 290.3)
-
Step 700
700 (this color)
#5B3EAC
oklch(45.9% 0.167 290.4)
-
Step 800
800
#513C94
oklch(42.8% 0.139 290.3)
-
Step 900
900
#433476
oklch(37.7% 0.109 290.7)
-
Step 950
950
#271F45
oklch(27% 0.069 290.8)
#5B3EAC 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) | #0055AF | 0.096 |
| Deuteranopia (no green cones) | #0051AA | 0.095 |
| Tritanopia (no blue cones) | #42586F | 0.135 |
| Achromatopsia (no color) | #535353 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3EAC
#5B3EAC
oklch(45.9% 0.167 290.4)
- #5B5C00
#5B5C00
oklch(45.9% 0.1 110.5)
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 #5B3EAC, 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 0.044
- Bluey Purple #6241C7 ΔE 0.045
- Blueberry #464196 ΔE 0.050
- Blurple #5539CC ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.063
- Majorelle Blue #3F37C9 ΔE 0.068
- Purple Blue #5D21D0 ΔE 0.070
Use #5B3EAC 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.