#5965DA
Closest named color: Dark Periwinkle (#665FD1). oklch(56% 0.177 274.7), rgb(89, 101, 218).
Aa
White text reads best on this color (4.88:1).
About this color
#5965DA is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.177 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.025 away. White text reads best on it, at 4.88:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #5965DA |
| RGB | rgb(89, 101, 218) |
| HSL | hsl(234, 64%, 60%) |
| OKLCH | oklch(56% 0.177 274.7) |
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 #5965DA | 4.88:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #5965DA | 4.29:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #5965DA text on white | 4.88:1 | AA | Lc 73.5 | Content text, not long reading |
| #5965DA text on black | 4.29:1 | 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
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D8F7
oklch(88.6% 0.044 274)
-
Step 300
300
#B1BDF5
oklch(80.9% 0.08 275.1)
-
Step 400
400
#8999F0
oklch(70.7% 0.128 274.7)
-
Step 500
500
#6E7DEA
oklch(63% 0.163 274.8)
-
Step 600
600 (this color)
#5965DA
oklch(56% 0.177 274.7)
-
Step 700
700
#4852BC
oklch(49.1% 0.165 274.5)
-
Step 800
800
#3B4498
oklch(42.8% 0.136 274.5)
-
Step 900
900
#323A79
oklch(37.7% 0.106 274.7)
-
Step 950
950
#1D2247
oklch(26.9% 0.068 275)
#5965DA 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) | #1777DE | 0.063 |
| Deuteranopia (no green cones) | #006CD8 | 0.062 |
| Tritanopia (no blue cones) | #008096 | 0.153 |
| Achromatopsia (no color) | #717171 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5965DA
#5965DA
oklch(56% 0.177 274.7)
- #8A7300
#8A7300
oklch(56.1% 0.115 95)
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 #5965DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.025
- Royal Blue #4169E1 ΔE 0.029
- Slate Blue #6A5ACD ΔE 0.037
- Light Indigo #6D5ACF ΔE 0.039
- Warm Blue #4B57DB ΔE 0.040
- Neon Blue #4361EE ΔE 0.042
- Iris #6258C4 ΔE 0.044
- Medium Slate Blue #7B68EE ΔE 0.059
Use #5965DA 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.