#5B40CE
Closest named color: Bluey Purple (#6241C7). oklch(49% 0.207 284.5), rgb(91, 64, 206).
Aa
White text reads best on this color (6.84:1).
About this color
#5B40CE is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.207 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.017 away. White text reads best on it, at 6.84:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.207) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.06:1 |
| White text | 6.84:1 |
Values
| HEX | #5B40CE |
| RGB | rgb(91, 64, 206) |
| HSL | hsl(251, 59%, 53%) |
| OKLCH | oklch(49% 0.207 284.5) |
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 #5B40CE | 6.84:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #5B40CE | 3.06:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #5B40CE text on white | 6.84:1 | AA | Lc 82.9 | Fine for body text |
| #5B40CE text on black | 3.06:1 | 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
#E7E8FD
oklch(93.7% 0.028 283.7)
-
Step 200
200
#D4D5FD
oklch(88.5% 0.055 284.1)
-
Step 300
300
#B9B8FF
oklch(80.9% 0.1 284.6)
-
Step 400
400
#9790FF
oklch(70.8% 0.159 284.4)
-
Step 500
500
#806FFE
oklch(63.1% 0.205 284.3)
-
Step 600
600
#6C51ED
oklch(55.5% 0.223 284.4)
-
Step 700
700 (this color)
#5B40CE
oklch(49% 0.207 284.5)
-
Step 800
800
#4A36A7
oklch(42.7% 0.172 284.5)
-
Step 900
900
#3D3184
oklch(37.7% 0.133 284.6)
-
Step 950
950
#231E4D
oklch(27% 0.084 284.1)
#5B40CE 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) | #005FD2 | 0.094 |
| Deuteranopia (no green cones) | #0056CB | 0.087 |
| Tritanopia (no blue cones) | #236582 | 0.172 |
| Achromatopsia (no color) | #5B5B5B | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B40CE
#5B40CE
oklch(49% 0.207 284.5)
- #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 #5B40CE, closest first.
No curated palette has a color within ΔE 0.04 of #5B40CE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.017
- Blurple #5539CC ΔE 0.018
- Blue With A Hint Of Purple #533CC6 ΔE 0.021
- Purpley Blue #5F34E7 ΔE 0.042
- Burple #6832E3 ΔE 0.042
- Purple Blue #5D21D0 ΔE 0.046
- Majorelle Blue #3F37C9 ΔE 0.051
- Warm Blue #4B57DB ΔE 0.054
Use #5B40CE 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.