#55499B
Closest named color: Blueberry (#464196). oklch(46% 0.129 286.9), rgb(85, 73, 155).
Aa
White text reads best on this color (7.46:1).
About this color
#55499B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.129 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.034 away. White text reads best on it, at 7.46:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #55499B |
| RGB | rgb(85, 73, 155) |
| HSL | hsl(249, 36%, 45%) |
| OKLCH | oklch(46% 0.129 286.9) |
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 #55499B | 7.46:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #55499B | 2.81:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #55499B text on white | 7.46:1 | AAA | Lc 85.7 | Fine for body text |
| #55499B text on black | 2.81:1 | Fails | Lc -16.3 | 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
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6F0
oklch(88.5% 0.036 287.4)
-
Step 300
300
#BDBBE8
oklch(80.9% 0.063 286.9)
-
Step 400
400
#9C97DC
oklch(70.7% 0.1 286.9)
-
Step 500
500
#857CD2
oklch(63.1% 0.127 287)
-
Step 600
600
#6F64BF
oklch(55.7% 0.137 286.6)
-
Step 700
700 (this color)
#55499B
oklch(46% 0.129 286.9)
-
Step 800
800
#4C4486
oklch(42.8% 0.106 286.5)
-
Step 900
900
#3F396B
oklch(37.6% 0.084 287.2)
-
Step 950
950
#25223F
oklch(27.1% 0.053 287)
#55499B 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) | #23579E | 0.066 |
| Deuteranopia (no green cones) | #225399 | 0.065 |
| Tritanopia (no blue cones) | #3F5A6B | 0.107 |
| Achromatopsia (no color) | #555555 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55499B
#55499B
oklch(46% 0.129 286.9)
- #5F5B00
#5F5B00
oklch(46% 0.098 106.7)
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 #55499B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.034
- Twilight #4E518B ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.046
- Rebecca Purple #663399 ΔE 0.055
- Dusk #4E5481 ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.061
- Dusky Blue #475F94 ΔE 0.064
- Dusk Blue #26538D ΔE 0.069
Use #55499B 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.