#55669F
Closest named color: French Blue (#436BAD). oklch(52.2% 0.093 270.3), rgb(85, 102, 159).
Aa
White text reads best on this color (5.54:1).
About this color
#55669F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.093 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.029 away. White text reads best on it, at 5.54:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.78:1 |
| White text | 5.54:1 |
Values
| HEX | #55669F |
| RGB | rgb(85, 102, 159) |
| HSL | hsl(226, 30%, 48%) |
| OKLCH | oklch(52.2% 0.093 270.3) |
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 #55669F | 5.54:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #55669F | 3.78:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #55669F text on white | 5.54:1 | AA | Lc 77.6 | Fine for body text |
| #55669F text on black | 3.78:1 | AA large text | Lc -24.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D3D9EA
oklch(88.6% 0.024 270.3)
-
Step 300
300
#B5C0DE
oklch(80.9% 0.044 269.5)
-
Step 400
400
#8F9FCE
oklch(70.7% 0.071 269.9)
-
Step 500
500
#7487C1
oklch(63.2% 0.09 269.8)
-
Step 600
600
#5D70AE
oklch(55.7% 0.099 270)
-
Step 700
700 (this color)
#55669F
oklch(52.2% 0.093 270.3)
-
Step 800
800
#3F4C79
oklch(42.7% 0.077 270.7)
-
Step 900
900
#354062
oklch(37.8% 0.06 269.7)
-
Step 950
950
#1F2539
oklch(26.9% 0.038 270.9)
#55669F 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) | #516CA1 | 0.017 |
| Deuteranopia (no green cones) | #4A659E | 0.015 |
| Tritanopia (no blue cones) | #3A727B | 0.083 |
| Achromatopsia (no color) | #686868 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55669F
#55669F
oklch(52.2% 0.093 270.3)
- #7E671F
#7E671F
oklch(52.3% 0.093 90.6)
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 #55669F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.029
- Dusky Blue #475F94 ΔE 0.032
- Muted Blue #3B719F ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.042
- Dull Blue #49759C ΔE 0.046
- Denim #3B638C ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.051
- Mid Blue #276AB3 ΔE 0.052
Use #55669F 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.