#565CCA
Closest named color: Iris (#6258C4). oklch(53% 0.168 276.7), rgb(86, 92, 202).
Aa
White text reads best on this color (5.55:1).
About this color
#565CCA is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.168 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.020 away. White text reads best on it, at 5.55:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #565CCA |
| RGB | rgb(86, 92, 202) |
| HSL | hsl(237, 52%, 56%) |
| OKLCH | oklch(53% 0.168 276.7) |
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 #565CCA | 5.55:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #565CCA | 3.77:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #565CCA text on white | 5.55:1 | AA | Lc 77.4 | Fine for body text |
| #565CCA text on black | 3.77:1 | AA large text | Lc -24.3 | 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
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D1D7F5
oklch(88.4% 0.042 276.6)
-
Step 300
300
#B3BDF2
oklch(80.9% 0.076 276.3)
-
Step 400
400
#8D99EB
oklch(70.7% 0.121 276.5)
-
Step 500
500
#737DE5
oklch(63% 0.155 276.8)
-
Step 600
600 (this color)
#565CCA
oklch(53% 0.168 276.7)
-
Step 700
700
#4D52B7
oklch(49.1% 0.157 276.8)
-
Step 800
800
#3F4494
oklch(42.7% 0.129 276.7)
-
Step 900
900
#353A76
oklch(37.7% 0.101 276.8)
-
Step 950
950
#1F2245
oklch(26.9% 0.064 277.4)
#565CCA 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) | #116DCE | 0.064 |
| Deuteranopia (no green cones) | #0063C8 | 0.064 |
| Tritanopia (no blue cones) | #0A758A | 0.146 |
| Achromatopsia (no color) | #686868 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #565CCA
#565CCA
oklch(53% 0.168 276.7)
- #7E6B00
#7E6B00
oklch(53% 0.109 96.8)
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 #565CCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.020
- Dark Periwinkle #665FD1 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.030
- Warm Blue #4B57DB ΔE 0.033
- Light Indigo #6D5ACF ΔE 0.035
- Royal Blue #4169E1 ΔE 0.048
- Neon Blue #4361EE ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.060
Use #565CCA 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.