#5665A2
Closest named color: French Blue (#436BAD). oklch(52.2% 0.098 272.1), rgb(86, 101, 162).
Aa
White text reads best on this color (5.55:1).
About this color
#5665A2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.098 and its hue 272°. 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 5.55:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #5665A2 |
| RGB | rgb(86, 101, 162) |
| HSL | hsl(228, 31%, 49%) |
| OKLCH | oklch(52.2% 0.098 272.1) |
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 #5665A2 | 5.55:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #5665A2 | 3.77:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #5665A2 text on white | 5.55:1 | AA | Lc 77.7 | Fine for body text |
| #5665A2 text on black | 3.77:1 | AA large text | Lc -24.1 | 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
#E6E9F3
oklch(93.5% 0.014 272.7)
-
Step 200
200
#D3D8EB
oklch(88.4% 0.027 274.1)
-
Step 300
300
#B6BFE0
oklch(80.8% 0.048 273.3)
-
Step 400
400
#909ED1
oklch(70.7% 0.077 272.4)
-
Step 500
500
#7585C4
oklch(63% 0.097 272.5)
-
Step 600
600
#5E6EB1
oklch(55.5% 0.106 272.4)
-
Step 700
700 (this color)
#5665A2
oklch(52.2% 0.098 272.1)
-
Step 800
800
#404B7B
oklch(42.6% 0.081 272.8)
-
Step 900
900
#363F63
oklch(37.7% 0.063 272.4)
-
Step 950
950
#20253A
oklch(27% 0.04 273.2)
#5665A2 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) | #4E6CA4 | 0.020 |
| Deuteranopia (no green cones) | #4765A1 | 0.019 |
| Tritanopia (no blue cones) | #3A727C | 0.088 |
| Achromatopsia (no color) | #686868 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5665A2
#5665A2
oklch(52.2% 0.098 272.1)
- #7E6717
#7E6717
oklch(52.2% 0.098 91.7)
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 #5665A2, 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 0.034
- Muted Blue #3B719F ΔE 0.044
- Flat Blue #3C73A8 ΔE 0.044
- Dull Blue #49759C ΔE 0.050
- Denim #3B638C ΔE 0.051
- Mid Blue #276AB3 ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.053
Use #5665A2 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.