#5364CA
Closest named color: Dark Periwinkle (#665FD1). oklch(54.3% 0.158 272.9), rgb(83, 100, 202).
Aa
White text reads best on this color (5.19:1).
About this color
#5364CA is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.158 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.030 away. White text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #5364CA |
| RGB | rgb(83, 100, 202) |
| HSL | hsl(231, 53%, 56%) |
| OKLCH | oklch(54.3% 0.158 272.9) |
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 #5364CA | 5.19:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #5364CA | 4.04:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #5364CA text on white | 5.19:1 | AA | Lc 75.5 | Fine for body text |
| #5364CA text on black | 4.04:1 | AA large text | Lc -26.3 | 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
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F4
oklch(88.5% 0.04 272.9)
-
Step 300
300
#B1BEEF
oklch(80.8% 0.071 273.1)
-
Step 400
400
#899BE8
oklch(70.7% 0.115 273.1)
-
Step 500
500
#6D81E1
oklch(63.2% 0.146 272.7)
-
Step 600
600 (this color)
#5364CA
oklch(54.3% 0.158 272.9)
-
Step 700
700
#4756B3
oklch(49.2% 0.147 272.9)
-
Step 800
800
#3A4791
oklch(42.8% 0.122 272.7)
-
Step 900
900
#323C73
oklch(37.7% 0.094 273.3)
-
Step 950
950
#1D2444
oklch(27.2% 0.06 272.5)
#5364CA 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) | #2D72CE | 0.046 |
| Deuteranopia (no green cones) | #1468C8 | 0.052 |
| Tritanopia (no blue cones) | #007B8D | 0.139 |
| Achromatopsia (no color) | #6D6D6D | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5364CA
#5364CA
oklch(54.3% 0.158 272.9)
- #866D00
#866D00
oklch(54.3% 0.111 92.9)
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 #5364CA, closest first.
No curated palette has a color within ΔE 0.04 of #5364CA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.030
- Iris #6258C4 ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.039
- Royal Blue #4169E1 ΔE 0.040
- Light Indigo #6D5ACF ΔE 0.043
- Warm Blue #4B57DB ΔE 0.044
- French Blue #436BAD ΔE 0.055
- Neon Blue #4361EE ΔE 0.059
Use #5364CA 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.