#554F8F
Closest named color: Twilight (#4E518B). oklch(46.4% 0.102 286), rgb(85, 79, 143).
Aa
White text reads best on this color (7.23:1).
About this color
#554F8F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.102 and its hue 286°. 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 7.23:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #554F8F |
| RGB | rgb(85, 79, 143) |
| HSL | hsl(246, 29%, 44%) |
| OKLCH | oklch(46.4% 0.102 286) |
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 #554F8F | 7.23:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #554F8F | 2.90:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #554F8F text on white | 7.23:1 | AAA | Lc 85.0 | Fine for body text |
| #554F8F text on black | 2.90:1 | Fails | Lc -17.0 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EB
oklch(88.5% 0.027 285.8)
-
Step 300
300
#BDBDE0
oklch(81% 0.049 285.3)
-
Step 400
400
#9C9AD0
oklch(70.8% 0.078 285.9)
-
Step 500
500
#8480C4
oklch(63.1% 0.101 285.8)
-
Step 600
600
#6E68B0
oklch(55.5% 0.11 286)
-
Step 700
700 (this color)
#554F8F
oklch(46.4% 0.102 286)
-
Step 800
800
#4B477B
oklch(42.6% 0.085 285.7)
-
Step 900
900
#3F3C63
oklch(37.7% 0.066 286.3)
-
Step 950
950
#25233A
oklch(27% 0.042 287.2)
#554F8F 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) | #385991 | 0.045 |
| Deuteranopia (no green cones) | #37558D | 0.043 |
| Tritanopia (no blue cones) | #455C68 | 0.087 |
| Achromatopsia (no color) | #575757 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554F8F
#554F8F
oklch(46.4% 0.102 286)
- #615C00
#615C00
oklch(46.5% 0.099 106)
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 #554F8F, 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 0.031
- Denim Blue #3B5B92 ΔE 0.045
- Dusky Blue #475F94 ΔE 0.046
- Blueberry #464196 ΔE 0.049
- Dusty Grape #545775 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.059
Use #554F8F 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.