#5565C3
Closest named color: Iris (#6258C4). oklch(54.2% 0.146 273.3), rgb(85, 101, 195).
Aa
White text reads best on this color (5.20:1).
About this color
#5565C3 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.146 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.035 away. White text reads best on it, at 5.20:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #5565C3 |
| RGB | rgb(85, 101, 195) |
| HSL | hsl(231, 48%, 55%) |
| OKLCH | oklch(54.2% 0.146 273.3) |
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 #5565C3 | 5.20:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #5565C3 | 4.03:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #5565C3 text on white | 5.20:1 | AA | Lc 75.6 | Fine for body text |
| #5565C3 text on black | 4.03:1 | AA large text | Lc -26.2 | 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
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D1D8F2
oklch(88.5% 0.037 273.7)
-
Step 300
300
#B2BEEC
oklch(80.8% 0.066 273.4)
-
Step 400
400
#8B9CE3
oklch(70.8% 0.106 273.1)
-
Step 500
500
#7082DA
oklch(63.2% 0.134 273.3)
-
Step 600
600 (this color)
#5565C3
oklch(54.2% 0.146 273.3)
-
Step 700
700
#4957AD
oklch(49.1% 0.137 273.4)
-
Step 800
800
#3C488C
oklch(42.8% 0.113 273.2)
-
Step 900
900
#333D70
oklch(37.8% 0.088 273.2)
-
Step 950
950
#1E2441
oklch(27% 0.055 273.4)
#5565C3 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) | #3872C6 | 0.042 |
| Deuteranopia (no green cones) | #2868C1 | 0.045 |
| Tritanopia (no blue cones) | #137A8B | 0.129 |
| Achromatopsia (no color) | #6D6D6D | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5565C3
#5565C3
oklch(54.2% 0.146 273.3)
- #856D00
#856D00
oklch(54.2% 0.111 93.6)
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 #5565C3, closest first.
No curated palette has a color within ΔE 0.04 of #5565C3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.035
- Slate Blue #6A5ACD ΔE 0.042
- French Blue #436BAD ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.046
- Royal Blue #4169E1 ΔE 0.050
- Mid Blue #276AB3 ΔE 0.054
- Warm Blue #4B57DB ΔE 0.055
Use #5565C3 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.