#565CE4
Closest named color: Warm Blue (#4B57DB). oklch(55% 0.202 275.6), rgb(86, 92, 228).
Aa
White text reads best on this color (5.18:1).
About this color
#565CE4 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.202 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.024 away. White text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #565CE4 |
| RGB | rgb(86, 92, 228) |
| HSL | hsl(237, 72%, 62%) |
| OKLCH | oklch(55% 0.202 275.6) |
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 #565CE4 | 5.18:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #565CE4 | 4.04:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #565CE4 text on white | 5.18:1 | AA | Lc 75.2 | Fine for body text |
| #565CE4 text on black | 4.04:1 | AA large text | Lc -26.5 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300
#B0BCFC
oklch(80.9% 0.092 275.9)
-
Step 400
400
#8897FA
oklch(70.7% 0.145 275.5)
-
Step 500
500
#6D79F7
oklch(63% 0.186 275.6)
-
Step 600
600 (this color)
#565CE4
oklch(55% 0.202 275.6)
-
Step 700
700
#484CC8
oklch(49% 0.189 275.5)
-
Step 800
800
#3B40A2
oklch(42.8% 0.156 275.4)
-
Step 900
900
#323780
oklch(37.6% 0.121 275.9)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#565CE4 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) | #0073E8 | 0.070 |
| Deuteranopia (no green cones) | #0067E1 | 0.062 |
| Tritanopia (no blue cones) | #007D97 | 0.169 |
| Achromatopsia (no color) | #6D6D6D | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #565CE4
#565CE4
oklch(55% 0.202 275.6)
- #867000
#867000
oklch(55% 0.113 95.3)
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 #565CE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.024
- Neon Blue #4361EE ΔE 0.027
- Royal Blue #4169E1 ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.038
- Slate Blue #6A5ACD ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.046
- Iris #6258C4 ΔE 0.052
- Azul #1D5DEC ΔE 0.054
Use #565CE4 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.