#5656BB
Closest named color: Iris (#6258C4). oklch(50.8% 0.155 279.3), rgb(86, 86, 187).
Aa
White text reads best on this color (6.09:1).
About this color
#5656BB is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.155 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.024 away. White text reads best on it, at 6.09:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #5656BB |
| RGB | rgb(86, 86, 187) |
| HSL | hsl(240, 43%, 54%) |
| OKLCH | oklch(50.8% 0.155 279.3) |
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 #5656BB | 6.09:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #5656BB | 3.44:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #5656BB text on white | 6.09:1 | AA | Lc 80.2 | Fine for body text |
| #5656BB text on black | 3.44:1 | AA large text | Lc -21.7 | 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
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B6BCF1
oklch(80.9% 0.075 279.5)
-
Step 400
400
#9198EA
oklch(70.7% 0.12 279.1)
-
Step 500
500
#787CE4
oklch(63.1% 0.154 279.4)
-
Step 600
600
#6263D2
oklch(55.7% 0.167 279.1)
-
Step 700
700 (this color)
#5656BB
oklch(50.8% 0.155 279.3)
-
Step 800
800
#434393
oklch(42.8% 0.128 279.5)
-
Step 900
900
#383975
oklch(37.7% 0.1 279.7)
-
Step 950
950
#202245
oklch(27% 0.064 278.7)
#5656BB 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) | #1A66BE | 0.065 |
| Deuteranopia (no green cones) | #035EB9 | 0.068 |
| Tritanopia (no blue cones) | #286D80 | 0.135 |
| Achromatopsia (no color) | #626262 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5656BB
#5656BB
oklch(50.8% 0.155 279.3)
- #746600
#746600
oklch(50.8% 0.106 99.9)
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 #5656BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.024
- Slate Blue #6A5ACD ΔE 0.043
- Dark Periwinkle #665FD1 ΔE 0.047
- Light Indigo #6D5ACF ΔE 0.049
- Warm Blue #4B57DB ΔE 0.051
- Bluey Purple #6241C7 ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- French Blue #436BAD ΔE 0.065
Use #5656BB 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.