#5B43CA
Closest named color: Bluey Purple (#6241C7). oklch(49.1% 0.198 284.5), rgb(91, 67, 202).
Aa
White text reads best on this color (6.77:1).
About this color
#5B43CA is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.198 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.013 away. White text reads best on it, at 6.77:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.10:1 |
| White text | 6.77:1 |
Values
| HEX | #5B43CA |
| RGB | rgb(91, 67, 202) |
| HSL | hsl(251, 56%, 53%) |
| OKLCH | oklch(49.1% 0.198 284.5) |
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 #5B43CA | 6.77:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #5B43CA | 3.10:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #5B43CA text on white | 6.77:1 | AA | Lc 82.8 | Fine for body text |
| #5B43CA text on black | 3.10:1 | AA large text | Lc -19.2 | 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
#D4D5FC
oklch(88.5% 0.053 284.1)
-
Step 300
300
#B9B8FD
oklch(80.8% 0.097 284.7)
-
Step 400
400
#9791FC
oklch(70.8% 0.153 284.3)
-
Step 500
500
#8071F9
oklch(63.1% 0.196 284.3)
-
Step 600
600
#6C54E8
oklch(55.6% 0.213 284.5)
-
Step 700
700 (this color)
#5B43CA
oklch(49.1% 0.198 284.5)
-
Step 800
800
#4A38A3
oklch(42.7% 0.164 284.7)
-
Step 900
900
#3D3281
oklch(37.6% 0.128 284.8)
-
Step 950
950
#231E4C
oklch(26.9% 0.082 284.4)
#5B43CA 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) | #005FCE | 0.091 |
| Deuteranopia (no green cones) | #0057C7 | 0.086 |
| Tritanopia (no blue cones) | #286581 | 0.165 |
| Achromatopsia (no color) | #5B5B5B | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B43CA
#5B43CA
oklch(49.1% 0.198 284.5)
- #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 #5B43CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.013
- Blue With A Hint Of Purple #533CC6 ΔE 0.022
- Blurple #5539CC ΔE 0.023
- Burple #6832E3 ΔE 0.049
- Purpley Blue #5F34E7 ΔE 0.050
- Iris #6258C4 ΔE 0.051
- Warm Blue #4B57DB ΔE 0.052
- Purple Blue #5D21D0 ΔE 0.052
Use #5B43CA 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.