#554D89
Closest named color: Twilight (#4E518B). oklch(45.6% 0.096 288.1), rgb(85, 77, 137).
Aa
White text reads best on this color (7.47:1).
About this color
#554D89 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.096 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.014 away. White text reads best on it, at 7.47:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.80:1 |
| White text | 7.47:1 |
Values
| HEX | #554D89 |
| RGB | rgb(85, 77, 137) |
| HSL | hsl(248, 28%, 42%) |
| OKLCH | oklch(45.6% 0.096 288.1) |
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 #554D89 | 7.47:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #554D89 | 2.80:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #554D89 text on white | 7.47:1 | AAA | Lc 85.9 | Fine for body text |
| #554D89 text on black | 2.80:1 | Fails | Lc -16.2 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6ED
oklch(88.5% 0.031 289.7)
-
Step 300
300
#BEBCE4
oklch(81% 0.056 287.4)
-
Step 400
400
#9E98D6
oklch(70.8% 0.09 288.3)
-
Step 500
500
#867DCB
oklch(63% 0.116 287.9)
-
Step 600
600
#7165B7
oklch(55.5% 0.125 288.4)
-
Step 700
700
#5F549E
oklch(49.2% 0.116 288.2)
-
Step 800
800 (this color)
#554D89
oklch(45.6% 0.096 288.1)
-
Step 900
900
#403A67
oklch(37.6% 0.076 288.3)
-
Step 950
950
#25223C
oklch(26.9% 0.048 288)
#554D89 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) | #39568B | 0.043 |
| Deuteranopia (no green cones) | #385388 | 0.043 |
| Tritanopia (no blue cones) | #475964 | 0.082 |
| Achromatopsia (no color) | #555555 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554D89
#554D89
oklch(45.6% 0.096 288.1)
- #5C5A06
#5C5A06
oklch(45.5% 0.096 108.1)
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 #554D89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.014
- Dusk #4E5481 ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.049
- Dusty Grape #545775 ΔE 0.049
- Blueberry #464196 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.051
- Dusky Blue #475F94 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.059
Use #554D89 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.