#5365CE
Closest named color: Dark Periwinkle (#665FD1). oklch(54.8% 0.162 272.6), rgb(83, 101, 206).
Aa
White text reads best on this color (5.09:1).
About this color
#5365CE is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.162 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.029 away. White text reads best on it, at 5.09:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.12:1 |
| White text | 5.09:1 |
Values
| HEX | #5365CE |
| RGB | rgb(83, 101, 206) |
| HSL | hsl(231, 56%, 57%) |
| OKLCH | oklch(54.8% 0.162 272.6) |
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 #5365CE | 5.09:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #5365CE | 4.12:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #5365CE text on white | 5.09:1 | AA | Lc 74.9 | Content text, not long reading |
| #5365CE text on black | 4.12:1 | AA large text | Lc -26.8 | 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
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D0D8F5
oklch(88.5% 0.041 273.3)
-
Step 300
300
#B0BEF1
oklch(80.8% 0.074 272.7)
-
Step 400
400
#889BE9
oklch(70.6% 0.116 272.7)
-
Step 500
500
#6C80E3
oklch(63% 0.15 272.8)
-
Step 600
600 (this color)
#5365CE
oklch(54.8% 0.162 272.6)
-
Step 700
700
#4655B5
oklch(49% 0.152 272.8)
-
Step 800
800
#394692
oklch(42.6% 0.125 272.7)
-
Step 900
900
#313C75
oklch(37.8% 0.098 272.7)
-
Step 950
950
#1C2344
oklch(26.8% 0.062 272.6)
#5365CE 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) | #2B74D2 | 0.048 |
| Deuteranopia (no green cones) | #0A69CC | 0.054 |
| Tritanopia (no blue cones) | #007D90 | 0.141 |
| Achromatopsia (no color) | #6E6E6E | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5365CE
#5365CE
oklch(54.8% 0.162 272.6)
- #886E00
#886E00
oklch(54.8% 0.112 92.4)
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 #5365CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.029
- Royal Blue #4169E1 ΔE 0.034
- Iris #6258C4 ΔE 0.037
- Slate Blue #6A5ACD ΔE 0.039
- Light Indigo #6D5ACF ΔE 0.043
- Warm Blue #4B57DB ΔE 0.043
- Neon Blue #4361EE ΔE 0.054
- French Blue #436BAD ΔE 0.060
Use #5365CE 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.