#5B4FBE
Closest named color: Iris (#6258C4). oklch(50.1% 0.168 283.4), rgb(91, 79, 190).
Aa
White text reads best on this color (6.35:1).
About this color
#5B4FBE is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.168 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.026 away. White text reads best on it, at 6.35:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #5B4FBE |
| RGB | rgb(91, 79, 190) |
| HSL | hsl(246, 46%, 53%) |
| OKLCH | oklch(50.1% 0.168 283.4) |
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 #5B4FBE | 6.35:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #5B4FBE | 3.30:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #5B4FBE text on white | 6.35:1 | AA | Lc 81.2 | Fine for body text |
| #5B4FBE text on black | 3.30:1 | AA large text | Lc -20.6 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D4D6F7
oklch(88.5% 0.045 282.7)
-
Step 300
300
#B9BAF4
oklch(80.8% 0.082 283.6)
-
Step 400
400
#9695EF
oklch(70.8% 0.13 283.1)
-
Step 500
500
#7F77E9
oklch(63% 0.167 283.7)
-
Step 600
600
#6A5DD7
oklch(55.6% 0.18 283.7)
-
Step 700
700 (this color)
#5B4FBE
oklch(50.1% 0.168 283.4)
-
Step 800
800
#483F97
oklch(42.7% 0.139 283.4)
-
Step 900
900
#3C3778
oklch(37.8% 0.107 283.5)
-
Step 950
950
#232146
oklch(27.1% 0.067 283.4)
#5B4FBE 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) | #0063C2 | 0.082 |
| Deuteranopia (no green cones) | #005CBC | 0.080 |
| Tritanopia (no blue cones) | #33697F | 0.142 |
| Achromatopsia (no color) | #5F5F5F | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4FBE
#5B4FBE
oklch(50.1% 0.168 283.4)
- #6F6600
#6F6600
oklch(50.3% 0.106 103.5)
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 #5B4FBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.026
- Bluey Purple #6241C7 ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.051
- Warm Blue #4B57DB ΔE 0.052
- Blurple #5539CC ΔE 0.053
Use #5B4FBE 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.