#5661AA
Closest named color: French Blue (#436BAD). oklch(51.8% 0.115 275.2), rgb(86, 97, 170).
Aa
White text reads best on this color (5.69:1).
About this color
#5661AA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.115 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.033 away. White text reads best on it, at 5.69:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #5661AA |
| RGB | rgb(86, 97, 170) |
| HSL | hsl(232, 33%, 50%) |
| OKLCH | oklch(51.8% 0.115 275.2) |
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 #5661AA | 5.69:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #5661AA | 3.68:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #5661AA text on white | 5.69:1 | AA | Lc 78.4 | Fine for body text |
| #5661AA text on black | 3.68:1 | AA large text | Lc -23.4 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B6BEE5
oklch(80.8% 0.056 276)
-
Step 400
400
#909CD9
oklch(70.6% 0.09 275.3)
-
Step 500
500
#7683CE
oklch(63.1% 0.114 275.2)
-
Step 600
600
#5F6BBB
oklch(55.5% 0.124 275.2)
-
Step 700
700 (this color)
#5661AA
oklch(51.8% 0.115 275.2)
-
Step 800
800
#404983
oklch(42.7% 0.096 274.9)
-
Step 900
900
#363E69
oklch(37.8% 0.074 274.3)
-
Step 950
950
#20243D
oklch(26.9% 0.047 275.9)
#5661AA 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) | #446AAD | 0.030 |
| Deuteranopia (no green cones) | #3C63A8 | 0.032 |
| Tritanopia (no blue cones) | #35707D | 0.102 |
| Achromatopsia (no color) | #676767 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5661AA
#5661AA
oklch(51.8% 0.115 275.2)
- #7C6700
#7C6700
oklch(51.9% 0.107 94.9)
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 #5661AA, closest first.
No curated palette has a color within ΔE 0.04 of #5661AA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.033
- Dusky Blue #475F94 ΔE 0.042
- Mid Blue #276AB3 ΔE 0.050
- Iris #6258C4 ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.055
- Flat Blue #3C73A8 ΔE 0.056
- Muted Blue #3B719F ΔE 0.058
- Denim #3B638C ΔE 0.062
Use #5661AA 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.