#55549E
Closest named color: Twilight (#4E518B). oklch(48.3% 0.117 281.7), rgb(85, 84, 158).
Aa
White text reads best on this color (6.67:1).
About this color
#55549E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.117 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.033 away. White text reads best on it, at 6.67:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.14:1 |
| White text | 6.67:1 |
Values
| HEX | #55549E |
| RGB | rgb(85, 84, 158) |
| HSL | hsl(241, 31%, 47%) |
| OKLCH | oklch(48.3% 0.117 281.7) |
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 #55549E | 6.67:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #55549E | 3.14:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #55549E text on white | 6.67:1 | AA | Lc 82.8 | Fine for body text |
| #55549E text on black | 3.14:1 | AA large text | Lc -19.1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7EE
oklch(88.5% 0.032 281.8)
-
Step 300
300
#BABDE5
oklch(80.9% 0.056 281.7)
-
Step 400
400
#979AD8
oklch(70.7% 0.09 281.7)
-
Step 500
500
#7E80CD
oklch(63.1% 0.115 281.4)
-
Step 600
600
#6868BA
oklch(55.6% 0.125 281.5)
-
Step 700
700 (this color)
#55549E
oklch(48.3% 0.117 281.7)
-
Step 800
800
#474782
oklch(42.7% 0.096 281.5)
-
Step 900
900
#3B3C68
oklch(37.7% 0.074 281.2)
-
Step 950
950
#23233D
oklch(27% 0.048 282.7)
#55549E 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) | #365FA1 | 0.045 |
| Deuteranopia (no green cones) | #325A9C | 0.045 |
| Tritanopia (no blue cones) | #3D6371 | 0.100 |
| Achromatopsia (no color) | #5C5C5C | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55549E
#55549E
oklch(48.3% 0.117 281.7)
- #6B6000
#6B6000
oklch(48.4% 0.101 101.6)
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 #55549E, closest first.
No curated palette has a color within ΔE 0.04 of #55549E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.033
- Dusky Blue #475F94 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.045
- Dusk #4E5481 ΔE 0.049
- Blueberry #464196 ΔE 0.058
- Iris #6258C4 ΔE 0.064
- Denim #3B638C ΔE 0.064
- French Blue #436BAD ΔE 0.064
Use #55549E 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.