#5865C3
Closest named color: Dark Periwinkle (#665FD1). oklch(54.4% 0.146 274.6), rgb(88, 101, 195).
Aa
White text reads best on this color (5.16:1).
About this color
#5865C3 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.146 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.033 away. White text reads best on it, at 5.16:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #5865C3 |
| RGB | rgb(88, 101, 195) |
| HSL | hsl(233, 47%, 55%) |
| OKLCH | oklch(54.4% 0.146 274.6) |
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 #5865C3 | 5.16:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #5865C3 | 4.06:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #5865C3 text on white | 5.16:1 | AA | Lc 75.4 | Fine for body text |
| #5865C3 text on black | 4.06:1 | AA large text | Lc -26.4 | 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
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D1D8F2
oklch(88.5% 0.037 273.7)
-
Step 300
300
#B3BEEC
oklch(80.9% 0.066 274.3)
-
Step 400
400
#8D9BE2
oklch(70.6% 0.105 274.9)
-
Step 500
500
#7281DA
oklch(63.1% 0.135 274.7)
-
Step 600
600 (this color)
#5865C3
oklch(54.4% 0.146 274.6)
-
Step 700
700
#4B57AC
oklch(49.1% 0.135 274.3)
-
Step 800
800
#3E478B
oklch(42.6% 0.112 274.9)
-
Step 900
900
#343C6F
oklch(37.6% 0.087 274.7)
-
Step 950
950
#1E2441
oklch(27% 0.055 273.4)
#5865C3 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 | 0.044 |
| Deuteranopia (no green cones) | #2A69C1 | 0.047 |
| Tritanopia (no blue cones) | #217A8B | 0.128 |
| Achromatopsia (no color) | #6D6D6D | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5865C3
#5865C3
oklch(54.4% 0.146 274.6)
- #856E00
#856E00
oklch(54.4% 0.112 94.4)
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 #5865C3, closest first.
No curated palette has a color within ΔE 0.04 of #5865C3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.033
- Iris #6258C4 ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.040
- Light Indigo #6D5ACF ΔE 0.044
- French Blue #436BAD ΔE 0.048
- Royal Blue #4169E1 ΔE 0.051
- Warm Blue #4B57DB ΔE 0.056
- Mid Blue #276AB3 ΔE 0.058
Use #5865C3 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.