#554A91
Closest named color: Twilight (#4E518B). oklch(45.5% 0.113 288.2), rgb(85, 74, 145).
Aa
White text reads best on this color (7.56:1).
About this color
#554A91 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.113 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.025 away. White text reads best on it, at 7.56:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.77:1 |
| White text | 7.56:1 |
Values
| HEX | #554A91 |
| RGB | rgb(85, 74, 145) |
| HSL | hsl(249, 32%, 43%) |
| OKLCH | oklch(45.5% 0.113 288.2) |
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 #554A91 | 7.56:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #554A91 | 2.77:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #554A91 text on white | 7.56:1 | AAA | Lc 86.1 | Fine for body text |
| #554A91 text on black | 2.77:1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6F1
oklch(88.5% 0.037 287.3)
-
Step 300
300
#BEBAE9
oklch(80.8% 0.066 288.7)
-
Step 400
400
#9D96DF
oklch(70.7% 0.106 287.8)
-
Step 500
500
#877AD5
oklch(63.1% 0.134 288.5)
-
Step 600
600
#7161C3
oklch(55.5% 0.147 288.1)
-
Step 700
700
#5F50A8
oklch(49.1% 0.136 288.2)
-
Step 800
800 (this color)
#554A91
oklch(45.5% 0.113 288.2)
-
Step 900
900
#40386D
oklch(37.6% 0.088 288.3)
-
Step 950
950
#252140
oklch(26.9% 0.057 287.9)
#554A91 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) | #2F5694 | 0.056 |
| Deuteranopia (no green cones) | #2E528F | 0.055 |
| Tritanopia (no blue cones) | #445866 | 0.094 |
| Achromatopsia (no color) | #545454 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554A91
#554A91
oklch(45.5% 0.113 288.2)
- #5C5A00
#5C5A00
oklch(45.5% 0.098 108.2)
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 #554A91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.025
- Blueberry #464196 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.043
- Dusk #4E5481 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.055
- Dusky Blue #475F94 ΔE 0.059
- Rebecca Purple #663399 ΔE 0.061
- Dusk Blue #26538D ΔE 0.063
Use #554A91 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.