#5C65D8
Closest named color: Dark Periwinkle (#665FD1). oklch(56.1% 0.174 275.9), rgb(92, 101, 216).
Aa
White text reads best on this color (4.87:1).
About this color
#5C65D8 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.174 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.021 away. White text reads best on it, at 4.87:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #5C65D8 |
| RGB | rgb(92, 101, 216) |
| HSL | hsl(236, 61%, 60%) |
| OKLCH | oklch(56.1% 0.174 275.9) |
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 #5C65D8 | 4.87:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #5C65D8 | 4.30:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #5C65D8 text on white | 4.87:1 | AA | Lc 73.5 | Content text, not long reading |
| #5C65D8 text on black | 4.30:1 | AA large text | Lc -28.2 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B2BDF4
oklch(80.9% 0.079 275.7)
-
Step 400
400
#8B99EE
oklch(70.7% 0.125 275.6)
-
Step 500
500
#717DE8
oklch(63.1% 0.16 276)
-
Step 600
600 (this color)
#5C65D8
oklch(56.1% 0.174 275.9)
-
Step 700
700
#4B52BA
oklch(49.2% 0.161 275.8)
-
Step 800
800
#3D4496
oklch(42.7% 0.133 275.6)
-
Step 900
900
#343A78
oklch(37.8% 0.104 276)
-
Step 950
950
#1E2246
oklch(26.9% 0.066 276.2)
#5C65D8 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) | #1D76DC | 0.063 |
| Deuteranopia (no green cones) | #006CD6 | 0.066 |
| Tritanopia (no blue cones) | #058095 | 0.153 |
| Achromatopsia (no color) | #717171 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C65D8
#5C65D8
oklch(56.1% 0.174 275.9)
- #897300
#897300
oklch(56% 0.115 95.7)
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 #5C65D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.021
- Royal Blue #4169E1 ΔE 0.033
- Slate Blue #6A5ACD ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.035
- Iris #6258C4 ΔE 0.042
- Warm Blue #4B57DB ΔE 0.043
- Neon Blue #4361EE ΔE 0.047
- Medium Slate Blue #7B68EE ΔE 0.057
Use #5C65D8 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.