#5D51AF
Closest named color: Iris (#6258C4). oklch(49.6% 0.144 285.7), rgb(93, 81, 175).
Aa
White text reads best on this color (6.43:1).
About this color
#5D51AF is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.144 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.037 away. White text reads best on it, at 6.43:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.26:1 |
| White text | 6.43:1 |
Values
| HEX | #5D51AF |
| RGB | rgb(93, 81, 175) |
| HSL | hsl(248, 37%, 50%) |
| OKLCH | oklch(49.6% 0.144 285.7) |
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 #5D51AF | 6.43:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #5D51AF | 3.26:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #5D51AF text on white | 6.43:1 | AA | Lc 81.7 | Fine for body text |
| #5D51AF text on black | 3.26:1 | AA large text | Lc -20.2 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F2
oklch(88.5% 0.038 285.6)
-
Step 300
300
#BCBBED
oklch(81% 0.07 285.6)
-
Step 400
400
#9A96E3
oklch(70.7% 0.111 285.5)
-
Step 500
500
#837ADB
oklch(63.1% 0.143 285.8)
-
Step 600
600
#6E61C9
oklch(55.7% 0.156 285.9)
-
Step 700
700 (this color)
#5D51AF
oklch(49.6% 0.144 285.7)
-
Step 800
800
#4B428C
oklch(42.7% 0.118 285.8)
-
Step 900
900
#3E3870
oklch(37.6% 0.093 285.9)
-
Step 950
950
#242142
oklch(26.9% 0.06 285.8)
#5D51AF 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) | #2161B2 | 0.073 |
| Deuteranopia (no green cones) | #1E5CAD | 0.073 |
| Tritanopia (no blue cones) | #426578 | 0.121 |
| Achromatopsia (no color) | #5E5E5E | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D51AF
#5D51AF
oklch(49.6% 0.144 285.7)
- #6B6500
#6B6500
oklch(49.6% 0.106 105.6)
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 #5D51AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.037
- Bluey Purple #6241C7 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.063
- Twilight #4E518B ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
- Dusky Blue #475F94 ΔE 0.068
Use #5D51AF 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.