#5C55C9
Closest named color: Iris (#6258C4). oklch(52.1% 0.174 281.2), rgb(92, 85, 201).
Aa
White text reads best on this color (5.83:1).
About this color
#5C55C9 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.174 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.015 away. White text reads best on it, at 5.83:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.59:1 |
| White text | 5.83:1 |
Values
| HEX | #5C55C9 |
| RGB | rgb(92, 85, 201) |
| HSL | hsl(244, 52%, 56%) |
| OKLCH | oklch(52.1% 0.174 281.2) |
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 #5C55C9 | 5.83:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #5C55C9 | 3.59:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #5C55C9 text on white | 5.83:1 | AA | Lc 78.8 | Fine for body text |
| #5C55C9 text on black | 3.59:1 | AA large text | Lc -23.0 | 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
#E6E8FA
oklch(93.5% 0.024 280.9)
-
Step 200
200
#D3D6F8
oklch(88.5% 0.047 281.4)
-
Step 300
300
#B7BBF7
oklch(81% 0.085 281.4)
-
Step 400
400
#9395F2
oklch(70.7% 0.135 281.4)
-
Step 500
500
#7A78EE
oklch(63.2% 0.173 281)
-
Step 600
600
#655DDC
oklch(55.6% 0.188 281.2)
-
Step 700
700 (this color)
#5C55C9
oklch(52.1% 0.174 281.2)
-
Step 800
800
#453F9A
oklch(42.7% 0.144 281.4)
-
Step 900
900
#39377B
oklch(37.8% 0.112 280.9)
-
Step 950
950
#212148
oklch(27.1% 0.071 280.6)
#5C55C9 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) | #0069CD | 0.079 |
| Deuteranopia (no green cones) | #0061C7 | 0.076 |
| Tritanopia (no blue cones) | #2A7087 | 0.149 |
| Achromatopsia (no color) | #656565 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C55C9
#5C55C9
oklch(52.1% 0.174 281.2)
- #776A00
#776A00
oklch(52% 0.109 100.9)
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 #5C55C9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.015
- Slate Blue #6A5ACD ΔE 0.027
- Light Indigo #6D5ACF ΔE 0.032
- Dark Periwinkle #665FD1 ΔE 0.032
- Warm Blue #4B57DB ΔE 0.036
- Bluey Purple #6241C7 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.057
- Blurple #5539CC ΔE 0.061
Use #5C55C9 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.