#554C8C
Closest named color: Twilight (#4E518B). oklch(45.6% 0.102 288.1), rgb(85, 76, 140).
Aa
White text reads best on this color (7.50:1).
About this color
#554C8C is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.102 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.017 away. White text reads best on it, at 7.50:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.79:1 |
| White text | 7.50:1 |
Values
| HEX | #554C8C |
| RGB | rgb(85, 76, 140) |
| HSL | hsl(248, 30%, 42%) |
| OKLCH | oklch(45.6% 0.102 288.1) |
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 #554C8C | 7.50:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #554C8C | 2.79:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #554C8C text on white | 7.50:1 | AAA | Lc 86.0 | Fine for body text |
| #554C8C text on black | 2.79:1 | Fails | Lc -16.1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D6EE
oklch(88.4% 0.033 287.6)
-
Step 300
300
#BEBBE6
oklch(80.9% 0.06 288.2)
-
Step 400
400
#9D97D9
oklch(70.6% 0.096 287.9)
-
Step 500
500
#867CCF
oklch(63% 0.123 287.9)
-
Step 600
600
#7164BC
oklch(55.6% 0.133 288.1)
-
Step 700
700
#5F52A2
oklch(49.1% 0.124 288.4)
-
Step 800
800 (this color)
#554C8C
oklch(45.6% 0.102 288.1)
-
Step 900
900
#403A69
oklch(37.8% 0.079 287.9)
-
Step 950
950
#25223E
oklch(27% 0.051 287.4)
#554C8C 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) | #35568E | 0.048 |
| Deuteranopia (no green cones) | #35538A | 0.047 |
| Tritanopia (no blue cones) | #465965 | 0.087 |
| Achromatopsia (no color) | #555555 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554C8C
#554C8C
oklch(45.6% 0.102 288.1)
- #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 #554C8C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.017
- Dusk #4E5481 ΔE 0.033
- Blueberry #464196 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.051
- Dusky Blue #475F94 ΔE 0.053
- Dusty Grape #545775 ΔE 0.055
- Dusk Blue #26538D ΔE 0.060
Use #554C8C 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.