#5B43C8
Closest named color: Bluey Purple (#6241C7). oklch(49% 0.196 284.8), rgb(91, 67, 200).
Aa
White text reads best on this color (6.81:1).
About this color
#5B43C8 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.196 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.012 away. White text reads best on it, at 6.81:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #5B43C8 |
| RGB | rgb(91, 67, 200) |
| HSL | hsl(251, 55%, 52%) |
| OKLCH | oklch(49% 0.196 284.8) |
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 #5B43C8 | 6.81:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #5B43C8 | 3.08:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #5B43C8 text on white | 6.81:1 | AA | Lc 82.9 | Fine for body text |
| #5B43C8 text on black | 3.08:1 | AA large text | Lc -19.0 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E7E8FC
oklch(93.6% 0.027 283.6)
-
Step 200
200
#D5D5FB
oklch(88.5% 0.052 285.3)
-
Step 300
300
#BAB8FC
oklch(80.9% 0.095 285.4)
-
Step 400
400
#9891FB
oklch(70.8% 0.152 284.8)
-
Step 500
500
#8171F8
oklch(63.1% 0.194 284.8)
-
Step 600
600
#6D55E7
oklch(55.7% 0.211 284.8)
-
Step 700
700 (this color)
#5B43C8
oklch(49% 0.196 284.8)
-
Step 800
800
#4A39A2
oklch(42.7% 0.162 284.6)
-
Step 900
900
#3D3381
oklch(37.8% 0.126 284.4)
-
Step 950
950
#231E4B
oklch(26.8% 0.08 284.6)
#5B43C8 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) | #005FCC | 0.092 |
| Deuteranopia (no green cones) | #0057C5 | 0.087 |
| Tritanopia (no blue cones) | #2B6580 | 0.163 |
| Achromatopsia (no color) | #5B5B5B | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B43C8
#5B43C8
oklch(49% 0.196 284.8)
- #6A6300
#6A6300
oklch(49.1% 0.104 104.8)
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 #5B43C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.012
- Blue With A Hint Of Purple #533CC6 ΔE 0.021
- Blurple #5539CC ΔE 0.024
- Iris #6258C4 ΔE 0.050
- Burple #6832E3 ΔE 0.051
- Purpley Blue #5F34E7 ΔE 0.052
- Purple Blue #5D21D0 ΔE 0.053
- Majorelle Blue #3F37C9 ΔE 0.053
Use #5B43C8 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.