#5865DA
Closest named color: Dark Periwinkle (#665FD1). oklch(55.9% 0.177 274.4), rgb(88, 101, 218).
Aa
White text reads best on this color (4.89:1).
About this color
#5865DA is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.177 and its hue 274°. 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 4.89:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.28:1 |
| White text | 4.89:1 |
Values
| HEX | #5865DA |
| RGB | rgb(88, 101, 218) |
| HSL | hsl(234, 64%, 60%) |
| OKLCH | oklch(55.9% 0.177 274.4) |
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 #5865DA | 4.89:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #5865DA | 4.28:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #5865DA text on white | 4.89:1 | AA | Lc 73.6 | Content text, not long reading |
| #5865DA text on black | 4.28:1 | AA large text | Lc -28.1 | 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
#6D7EEB
oklch(63.2% 0.163 274.1)
-
Step 600
600 (this color)
#5865DA
oklch(55.9% 0.177 274.4)
-
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
#1D2347
oklch(27.1% 0.067 274)
#5865DA 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) | #1677DE | 0.062 |
| Deuteranopia (no green cones) | #006BD8 | 0.061 |
| Tritanopia (no blue cones) | #008096 | 0.152 |
| Achromatopsia (no color) | #717171 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5865DA
#5865DA
oklch(55.9% 0.177 274.4)
- #8A7200
#8A7200
oklch(55.9% 0.115 94.3)
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 #5865DA, 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 0.028
- Slate Blue #6A5ACD ΔE 0.038
- Light Indigo #6D5ACF ΔE 0.039
- Warm Blue #4B57DB ΔE 0.040
- Neon Blue #4361EE ΔE 0.041
- Iris #6258C4 ΔE 0.045
- Medium Slate Blue #7B68EE ΔE 0.060
Use #5865DA 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.