#55479B
Closest named color: Blueberry (#464196). oklch(45.6% 0.132 287.7), rgb(85, 71, 155).
Aa
White text reads best on this color (7.60:1).
About this color
#55479B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.132 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.031 away. White text reads best on it, at 7.60:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #55479B |
| RGB | rgb(85, 71, 155) |
| HSL | hsl(250, 37%, 44%) |
| OKLCH | oklch(45.6% 0.132 287.7) |
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 #55479B | 7.60:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #55479B | 2.76:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #55479B text on white | 7.60:1 | AAA | Lc 86.2 | Fine for body text |
| #55479B text on black | 2.76:1 | Fails | Lc -15.9 | 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 800.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D7D5F5
oklch(88.5% 0.044 288.3)
-
Step 300
300
#BDB9F0
oklch(80.8% 0.077 287.9)
-
Step 400
400
#9D94E9
oklch(70.8% 0.123 287.7)
-
Step 500
500
#8676E2
oklch(63% 0.158 287.8)
-
Step 600
600
#715DD0
oklch(55.7% 0.171 287.5)
-
Step 700
700
#5F4BB4
oklch(49% 0.16 287.8)
-
Step 800
800 (this color)
#55479B
oklch(45.6% 0.132 287.7)
-
Step 900
900
#403674
oklch(37.7% 0.102 287.9)
-
Step 950
950
#252044
oklch(26.9% 0.065 287.6)
#55479B 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) | #1E569E | 0.071 |
| Deuteranopia (no green cones) | #1E5299 | 0.069 |
| Tritanopia (no blue cones) | #40596A | 0.109 |
| Achromatopsia (no color) | #545454 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55479B
#55479B
oklch(45.6% 0.132 287.7)
- #5D5A00
#5D5A00
oklch(45.6% 0.098 107.5)
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 #55479B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.031
- Twilight #4E518B ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.043
- Rebecca Purple #663399 ΔE 0.051
- Dusk #4E5481 ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.065
- Dusky Blue #475F94 ΔE 0.069
- Dusk Blue #26538D ΔE 0.071
Use #55479B 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.