#5B53B5
Closest named color: Iris (#6258C4). oklch(50.2% 0.15 283.3), rgb(91, 83, 181).
Aa
White text reads best on this color (6.26:1).
About this color
#5B53B5 is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.150 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.028 away. White text reads best on it, at 6.26:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.34:1 |
| White text | 6.26:1 |
Values
| HEX | #5B53B5 |
| RGB | rgb(91, 83, 181) |
| HSL | hsl(245, 40%, 52%) |
| OKLCH | oklch(50.2% 0.15 283.3) |
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 #5B53B5 | 6.26:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #5B53B5 | 3.34:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #5B53B5 text on white | 6.26:1 | AA | Lc 81.0 | Fine for body text |
| #5B53B5 text on black | 3.34:1 | AA large text | Lc -20.9 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D5D6F4
oklch(88.5% 0.041 284)
-
Step 300
300
#BABBEF
oklch(80.9% 0.073 283.8)
-
Step 400
400
#9796E7
oklch(70.6% 0.117 283.5)
-
Step 500
500
#7F7ADF
oklch(63% 0.149 283.5)
-
Step 600
600
#6961CD
oklch(55.5% 0.162 283.1)
-
Step 700
700 (this color)
#5B53B5
oklch(50.2% 0.15 283.3)
-
Step 800
800
#484290
oklch(42.8% 0.125 283.3)
-
Step 900
900
#3C3873
oklch(37.6% 0.098 283.7)
-
Step 950
950
#232143
oklch(26.9% 0.062 284.1)
#5B53B5 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) | #1D63B8 | 0.071 |
| Deuteranopia (no green cones) | #155DB3 | 0.072 |
| Tritanopia (no blue cones) | #3A697C | 0.128 |
| Achromatopsia (no color) | #606060 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B53B5
#5B53B5
oklch(50.2% 0.15 283.3)
- #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 #5B53B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.028
- Slate Blue #6A5ACD ΔE 0.047
- Bluey Purple #6241C7 ΔE 0.050
- Light Indigo #6D5ACF ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Warm Blue #4B57DB ΔE 0.063
- Blurple #5539CC ΔE 0.069
Use #5B53B5 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.