#5D55AB
Closest named color: Iris (#6258C4). oklch(50% 0.133 284.7), rgb(93, 85, 171).
Aa
White text reads best on this color (6.26:1).
About this color
#5D55AB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.133 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.040 away. White text reads best on it, at 6.26:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.35:1 |
| White text | 6.26:1 |
Values
| HEX | #5D55AB |
| RGB | rgb(93, 85, 171) |
| HSL | hsl(246, 34%, 50%) |
| OKLCH | oklch(50% 0.133 284.7) |
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 #5D55AB | 6.26:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #5D55AB | 3.35:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #5D55AB text on white | 6.26:1 | AA | Lc 81.0 | Fine for body text |
| #5D55AB text on black | 3.35:1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BBBCE9
oklch(81% 0.063 283.9)
-
Step 400
400
#9997DE
oklch(70.6% 0.103 284.7)
-
Step 500
500
#827CD5
oklch(63% 0.132 285)
-
Step 600
600
#6C64C3
oklch(55.7% 0.143 284.5)
-
Step 700
700 (this color)
#5D55AB
oklch(50% 0.133 284.7)
-
Step 800
800
#4A4488
oklch(42.8% 0.11 284.8)
-
Step 900
900
#3D3A6D
oklch(37.7% 0.085 284.2)
-
Step 950
950
#242240
oklch(27% 0.055 285.1)
#5D55AB 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) | #2F63AE | 0.062 |
| Deuteranopia (no green cones) | #2C5EA9 | 0.061 |
| Tritanopia (no blue cones) | #446778 | 0.112 |
| Achromatopsia (no color) | #606060 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D55AB
#5D55AB
oklch(50% 0.133 284.7)
- #6D6600
#6D6600
oklch(50.1% 0.106 104.9)
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 #5D55AB, closest first.
No curated palette has a color within ΔE 0.04 of #5D55AB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.040
- Twilight #4E518B ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.058
- Dusky Blue #475F94 ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.063
- French Blue #436BAD ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.065
Use #5D55AB 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.