#5368C7
Closest named color: Dark Periwinkle (#665FD1). oklch(54.9% 0.149 271.4), rgb(83, 104, 199).
Aa
White text reads best on this color (5.03:1).
About this color
#5368C7 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.149 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.037 away. White text reads best on it, at 5.03:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #5368C7 |
| RGB | rgb(83, 104, 199) |
| HSL | hsl(229, 51%, 55%) |
| OKLCH | oklch(54.9% 0.149 271.4) |
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 #5368C7 | 5.03:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #5368C7 | 4.17:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #5368C7 text on white | 5.03:1 | AA | Lc 74.5 | Content text, not long reading |
| #5368C7 text on black | 4.17:1 | AA large text | Lc -27.2 | 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
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D0D8F3
oklch(88.5% 0.038 272.5)
-
Step 300
300
#B1BFED
oklch(81% 0.067 271.6)
-
Step 400
400
#889CE4
oklch(70.6% 0.108 271.6)
-
Step 500
500
#6C82DC
oklch(63% 0.138 271.6)
-
Step 600
600 (this color)
#5368C7
oklch(54.9% 0.149 271.4)
-
Step 700
700
#4558AE
oklch(49.1% 0.138 271.1)
-
Step 800
800
#39488D
oklch(42.6% 0.115 271.5)
-
Step 900
900
#313D71
oklch(37.7% 0.09 271.7)
-
Step 950
950
#1D2442
oklch(27% 0.057 272.2)
#5368C7 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) | #3A74CA | 0.037 |
| Deuteranopia (no green cones) | #276AC5 | 0.042 |
| Tritanopia (no blue cones) | #007D8E | 0.131 |
| Achromatopsia (no color) | #6F6F6F | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5368C7
#5368C7
oklch(54.9% 0.149 271.4)
- #896E00
#896E00
oklch(54.9% 0.112 91.7)
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 #5368C7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.037
- Iris #6258C4 ΔE 0.042
- Royal Blue #4169E1 ΔE 0.043
- Slate Blue #6A5ACD ΔE 0.046
- French Blue #436BAD ΔE 0.047
- Light Indigo #6D5ACF ΔE 0.049
- Windows Blue #3778BF ΔE 0.051
- Mid Blue #276AB3 ΔE 0.055
Use #5368C7 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.