#555E96
Closest named color: Dusky Blue (#475F94). oklch(49.9% 0.09 275.7), rgb(85, 94, 150).
Aa
White text reads best on this color (6.12:1).
About this color
#555E96 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.090 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.019 away. White text reads best on it, at 6.12:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.42:1 |
| White text | 6.12:1 |
Values
| HEX | #555E96 |
| RGB | rgb(85, 94, 150) |
| HSL | hsl(232, 28%, 46%) |
| OKLCH | oklch(49.9% 0.09 275.7) |
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 #555E96 | 6.12:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #555E96 | 3.42:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #555E96 text on white | 6.12:1 | AA | Lc 80.5 | Fine for body text |
| #555E96 text on black | 3.42:1 | AA large text | Lc -21.3 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300
#B8BFDD
oklch(80.9% 0.043 275)
-
Step 400
400
#949DCC
oklch(70.6% 0.07 276)
-
Step 500
500
#7A85BF
oklch(63.1% 0.088 275.3)
-
Step 600
600
#646EAC
oklch(55.7% 0.097 275.8)
-
Step 700
700 (this color)
#555E96
oklch(49.9% 0.09 275.7)
-
Step 800
800
#444B78
oklch(42.8% 0.075 276)
-
Step 900
900
#393F60
oklch(37.7% 0.057 275.4)
-
Step 950
950
#212538
oklch(27% 0.036 274.6)
#555E96 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) | #4A6498 | 0.020 |
| Deuteranopia (no green cones) | #455F95 | 0.021 |
| Tritanopia (no blue cones) | #406973 | 0.079 |
| Achromatopsia (no color) | #626262 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555E96
#555E96
oklch(49.9% 0.09 275.7)
- #73621C
#73621C
oklch(49.9% 0.09 95)
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 #555E96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.019
- Denim Blue #3B5B92 ΔE 0.037
- Denim #3B638C ΔE 0.040
- Twilight #4E518B ΔE 0.040
- Dusk #4E5481 ΔE 0.042
- French Blue #436BAD ΔE 0.048
- Dusty Grape #545775 ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.056
Use #555E96 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.