#554F88
Closest named color: Twilight (#4E518B). oklch(46% 0.091 287.1), rgb(85, 79, 136).
Aa
White text reads best on this color (7.34:1).
About this color
#554F88 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.091 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.012 away. White text reads best on it, at 7.34:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.86:1 |
| White text | 7.34:1 |
Values
| HEX | #554F88 |
| RGB | rgb(85, 79, 136) |
| HSL | hsl(246, 27%, 42%) |
| OKLCH | oklch(46% 0.091 287.1) |
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 #554F88 | 7.34:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #554F88 | 2.86:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #554F88 text on white | 7.34:1 | AAA | Lc 85.4 | Fine for body text |
| #554F88 text on black | 2.86:1 | Fails | Lc -16.6 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D7D7E9
oklch(88.5% 0.025 285.9)
-
Step 300
300
#BEBDDC
oklch(80.9% 0.043 286.9)
-
Step 400
400
#9D9ACB
oklch(70.6% 0.071 287.2)
-
Step 500
500
#8681BE
oklch(63.2% 0.091 287.2)
-
Step 600
600
#706AAA
oklch(55.7% 0.098 287.1)
-
Step 700
700 (this color)
#554F88
oklch(46% 0.091 287.1)
-
Step 800
800
#4C4876
oklch(42.7% 0.075 286.7)
-
Step 900
900
#3F3D5F
oklch(37.7% 0.058 286)
-
Step 950
950
#252438
oklch(27.1% 0.037 286)
#554F88 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) | #3C578A | 0.039 |
| Deuteranopia (no green cones) | #3C5487 | 0.037 |
| Tritanopia (no blue cones) | #485A65 | 0.077 |
| Achromatopsia (no color) | #565656 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554F88
#554F88
oklch(46% 0.091 287.1)
- #5E5B10
#5E5B10
oklch(46% 0.091 107.1)
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 #554F88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.012
- Dusk #4E5481 ΔE 0.023
- Dusty Grape #545775 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.047
- Blueberry #464196 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.056
Use #554F88 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.