#5656B2
Closest named color: Iris (#6258C4). oklch(50.1% 0.142 280), rgb(86, 86, 178).
Aa
White text reads best on this color (6.23:1).
About this color
#5656B2 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.142 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.034 away. White text reads best on it, at 6.23:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.36:1 |
| White text | 6.23:1 |
Values
| HEX | #5656B2 |
| RGB | rgb(86, 86, 178) |
| HSL | hsl(240, 37%, 52%) |
| OKLCH | oklch(50.1% 0.142 280) |
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 #5656B2 | 6.23:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #5656B2 | 3.36:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #5656B2 text on white | 6.23:1 | AA | Lc 80.8 | Fine for body text |
| #5656B2 text on black | 3.36:1 | AA large text | Lc -21.0 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F3
oklch(88.6% 0.039 280.7)
-
Step 300
300
#B7BCED
oklch(80.8% 0.069 280.2)
-
Step 400
400
#9399E4
oklch(70.8% 0.109 279.7)
-
Step 500
500
#7A7DDC
oklch(63% 0.141 280.2)
-
Step 600
600
#6465CA
oklch(55.7% 0.153 279.8)
-
Step 700
700 (this color)
#5656B2
oklch(50.1% 0.142 280)
-
Step 800
800
#44448D
oklch(42.6% 0.118 280.2)
-
Step 900
900
#393A71
oklch(37.7% 0.092 280.2)
-
Step 950
950
#212242
oklch(26.9% 0.059 280.3)
#5656B2 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) | #2864B5 | 0.057 |
| Deuteranopia (no green cones) | #1E5DB0 | 0.060 |
| Tritanopia (no blue cones) | #306A7C | 0.122 |
| Achromatopsia (no color) | #616161 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5656B2
#5656B2
oklch(50.1% 0.142 280)
- #726400
#726400
oklch(50.1% 0.104 99.7)
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 #5656B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.053
- Dark Periwinkle #665FD1 ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.059
- French Blue #436BAD ΔE 0.060
- Bluey Purple #6241C7 ΔE 0.060
- Dusky Blue #475F94 ΔE 0.061
- Twilight #4E518B ΔE 0.064
Use #5656B2 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.