#5C55A5
Closest named color: Twilight (#4E518B). oklch(49.6% 0.124 284.9), rgb(92, 85, 165).
Aa
White text reads best on this color (6.36:1).
About this color
#5C55A5 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.124 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.048 away. White text reads best on it, at 6.36:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.29:1 |
| White text | 6.36:1 |
Values
| HEX | #5C55A5 |
| RGB | rgb(92, 85, 165) |
| HSL | hsl(245, 32%, 49%) |
| OKLCH | oklch(49.6% 0.124 284.9) |
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 #5C55A5 | 6.36:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #5C55A5 | 3.29:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #5C55A5 text on white | 6.36:1 | AA | Lc 81.5 | Fine for body text |
| #5C55A5 text on black | 3.29:1 | AA large text | Lc -20.4 | 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
#E8E8F5
oklch(93.5% 0.017 286.1)
-
Step 200
200
#D6D7EF
oklch(88.6% 0.033 283.8)
-
Step 300
300
#BCBCE7
oklch(81% 0.06 285)
-
Step 400
400
#9A98DB
oklch(70.7% 0.097 285)
-
Step 500
500
#827DD1
oklch(63% 0.124 284.9)
-
Step 600
600
#6C65BE
oklch(55.5% 0.135 284.7)
-
Step 700
700 (this color)
#5C55A5
oklch(49.6% 0.124 284.9)
-
Step 800
800
#4A4584
oklch(42.7% 0.102 284.8)
-
Step 900
900
#3E3A6A
oklch(37.6% 0.081 285.6)
-
Step 950
950
#24223E
oklch(26.9% 0.051 285.7)
#5C55A5 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) | #3462A8 | 0.056 |
| Deuteranopia (no green cones) | #325DA3 | 0.055 |
| Tritanopia (no blue cones) | #456675 | 0.107 |
| Achromatopsia (no color) | #5F5F5F | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C55A5
#5C55A5
oklch(49.6% 0.124 284.9)
- #6B6400
#6B6400
oklch(49.4% 0.105 104.8)
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 #5C55A5, closest first.
No curated palette has a color within ΔE 0.04 of #5C55A5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.048
- Iris #6258C4 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.058
- French Blue #436BAD ΔE 0.063
- Dusk #4E5481 ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.067
- Blueberry #464196 ΔE 0.068
Use #5C55A5 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.