#546AC6
Closest named color: Dark Periwinkle (#665FD1). oklch(55.3% 0.144 270.9), rgb(84, 106, 198).
Aa
White text reads best on this color (4.93:1).
About this color
#546AC6 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.144 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.040 away. White text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #546AC6 |
| RGB | rgb(84, 106, 198) |
| HSL | hsl(228, 50%, 55%) |
| OKLCH | oklch(55.3% 0.144 270.9) |
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 #546AC6 | 4.93:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #546AC6 | 4.25:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #546AC6 text on white | 4.93:1 | AA | Lc 74.0 | Content text, not long reading |
| #546AC6 text on black | 4.25:1 | AA large text | Lc -27.7 | 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 600.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D0D8F2
oklch(88.4% 0.037 272)
-
Step 300
300
#B1BFEC
oklch(80.9% 0.066 271.4)
-
Step 400
400
#889DE2
oklch(70.7% 0.104 270.6)
-
Step 500
500
#6C83DA
oklch(63.1% 0.134 271)
-
Step 600
600 (this color)
#546AC6
oklch(55.3% 0.144 270.9)
-
Step 700
700
#4559AC
oklch(49.1% 0.134 270.6)
-
Step 800
800
#39498B
oklch(42.7% 0.111 270.8)
-
Step 900
900
#313E6F
oklch(37.8% 0.085 270.7)
-
Step 950
950
#1D2441
oklch(26.9% 0.055 272)
#546AC6 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) | #3F75C9 | 0.033 |
| Deuteranopia (no green cones) | #2F6CC4 | 0.037 |
| Tritanopia (no blue cones) | #007F8E | 0.130 |
| Achromatopsia (no color) | #707070 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #546AC6
#546AC6
oklch(55.3% 0.144 270.9)
- #8B6F00
#8B6F00
oklch(55.3% 0.113 91.2)
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 #546AC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.040
- French Blue #436BAD ΔE 0.046
- Royal Blue #4169E1 ΔE 0.046
- Iris #6258C4 ΔE 0.046
- Windows Blue #3778BF ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.049
- Light Indigo #6D5ACF ΔE 0.053
- Mid Blue #276AB3 ΔE 0.055
Use #546AC6 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.