#554E9E
Closest named color: Twilight (#4E518B). oklch(47.2% 0.125 284.5), rgb(85, 78, 158).
Aa
White text reads best on this color (7.07:1).
About this color
#554E9E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.125 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.035 away. White text reads best on it, at 7.07:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #554E9E |
| RGB | rgb(85, 78, 158) |
| HSL | hsl(245, 34%, 46%) |
| OKLCH | oklch(47.2% 0.125 284.5) |
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 #554E9E | 7.07:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #554E9E | 2.96:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #554E9E text on white | 7.07:1 | AAA | Lc 84.3 | Fine for body text |
| #554E9E text on black | 2.96:1 | Fails | Lc -17.7 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E9F6
oklch(93.7% 0.018 282.5)
-
Step 200
200
#D6D7EF
oklch(88.6% 0.033 283.8)
-
Step 300
300
#BBBCE7
oklch(80.9% 0.06 283.9)
-
Step 400
400
#9998DB
oklch(70.6% 0.097 284.3)
-
Step 500
500
#827ED1
oklch(63.2% 0.123 284.5)
-
Step 600
600
#6C65BE
oklch(55.5% 0.135 284.7)
-
Step 700
700 (this color)
#554E9E
oklch(47.2% 0.125 284.5)
-
Step 800
800
#4A4585
oklch(42.8% 0.103 284.7)
-
Step 900
900
#3D3A6B
oklch(37.6% 0.082 284.5)
-
Step 950
950
#24223E
oklch(26.9% 0.051 285.7)
#554E9E 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) | #2B5BA1 | 0.057 |
| Deuteranopia (no green cones) | #28569C | 0.057 |
| Tritanopia (no blue cones) | #3D5F6E | 0.108 |
| Achromatopsia (no color) | #585858 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554E9E
#554E9E
oklch(47.2% 0.125 284.5)
- #645D00
#645D00
oklch(47% 0.099 104.5)
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 #554E9E, closest first.
No curated palette has a color within ΔE 0.04 of #554E9E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.035
- Blueberry #464196 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.054
- Dusky Blue #475F94 ΔE 0.054
- Dusk #4E5481 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.057
- Rebecca Purple #663399 ΔE 0.066
- Iris #6258C4 ΔE 0.067
Use #554E9E 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.