#5B4FBF
Closest named color: Iris (#6258C4). oklch(50.2% 0.169 283.3), rgb(91, 79, 191).
Aa
White text reads best on this color (6.33:1).
About this color
#5B4FBF is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.169 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 6.33:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #5B4FBF |
| RGB | rgb(91, 79, 191) |
| HSL | hsl(246, 47%, 53%) |
| OKLCH | oklch(50.2% 0.169 283.3) |
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 #5B4FBF | 6.33:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #5B4FBF | 3.31:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #5B4FBF text on white | 6.33:1 | AA | Lc 81.2 | Fine for body text |
| #5B4FBF text on black | 3.31:1 | AA large text | Lc -20.7 | 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
#7E77EA
oklch(63% 0.168 283.2)
-
Step 600
600
#695DD8
oklch(55.6% 0.182 283.2)
-
Step 700
700 (this color)
#5B4FBF
oklch(50.2% 0.169 283.3)
-
Step 800
800
#483F98
oklch(42.8% 0.14 283.3)
-
Step 900
900
#3C3679
oklch(37.7% 0.11 283.8)
-
Step 950
950
#232047
oklch(27% 0.07 284.1)
#5B4FBF 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) | #0063C3 | 0.082 |
| Deuteranopia (no green cones) | #005CBD | 0.080 |
| Tritanopia (no blue cones) | #32697F | 0.144 |
| Achromatopsia (no color) | #606060 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4FBF
#5B4FBF
oklch(50.2% 0.169 283.3)
- #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 #5B4FBF, 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 0.033
- Slate Blue #6A5ACD ΔE 0.042
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.050
- Warm Blue #4B57DB ΔE 0.050
- Blurple #5539CC ΔE 0.052
Use #5B4FBF 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.