#5660C9
Closest named color: Iris (#6258C4). oklch(53.7% 0.161 275.5), rgb(86, 96, 201).
Aa
White text reads best on this color (5.36:1).
About this color
#5660C9 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.161 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.025 away. White text reads best on it, at 5.36:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #5660C9 |
| RGB | rgb(86, 96, 201) |
| HSL | hsl(235, 52%, 56%) |
| OKLCH | oklch(53.7% 0.161 275.5) |
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 #5660C9 | 5.36:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #5660C9 | 3.91:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #5660C9 text on white | 5.36:1 | AA | Lc 76.5 | Fine for body text |
| #5660C9 text on black | 3.91:1 | AA large text | Lc -25.3 | 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 600.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D1D8F4
oklch(88.6% 0.039 274.4)
-
Step 300
300
#B3BDF0
oklch(80.8% 0.073 276)
-
Step 400
400
#8C9AE9
oklch(70.7% 0.117 275.4)
-
Step 500
500
#717FE2
oklch(63.1% 0.149 275.2)
-
Step 600
600 (this color)
#5660C9
oklch(53.7% 0.161 275.5)
-
Step 700
700
#4B54B4
oklch(49.1% 0.15 275.4)
-
Step 800
800
#3E4591
oklch(42.6% 0.124 275.9)
-
Step 900
900
#343B74
oklch(37.7% 0.097 275.5)
-
Step 950
950
#1E2344
oklch(27% 0.061 275)
#5660C9 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) | #2470CD | 0.056 |
| Deuteranopia (no green cones) | #0666C7 | 0.061 |
| Tritanopia (no blue cones) | #0B788B | 0.142 |
| Achromatopsia (no color) | #6B6B6B | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5660C9
#5660C9
oklch(53.7% 0.161 275.5)
- #816C00
#816C00
oklch(53.6% 0.11 95.5)
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 #5660C9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.025
- Dark Periwinkle #665FD1 ΔE 0.026
- Slate Blue #6A5ACD ΔE 0.032
- Light Indigo #6D5ACF ΔE 0.037
- Warm Blue #4B57DB ΔE 0.040
- Royal Blue #4169E1 ΔE 0.045
- Neon Blue #4361EE ΔE 0.060
- French Blue #436BAD ΔE 0.060
Use #5660C9 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.