#5D68CA
Closest named color: Dark Periwinkle (#665FD1). oklch(55.8% 0.15 275.6), rgb(93, 104, 202).
Aa
White text reads best on this color (4.88:1).
About this color
#5D68CA is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.150 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.027 away. White text reads best on it, at 4.88:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #5D68CA |
| RGB | rgb(93, 104, 202) |
| HSL | hsl(234, 51%, 58%) |
| OKLCH | oklch(55.8% 0.15 275.6) |
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 #5D68CA | 4.88:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #5D68CA | 4.29:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #5D68CA text on white | 4.88:1 | AA | Lc 73.6 | Content text, not long reading |
| #5D68CA text on black | 4.29:1 | AA large text | Lc -28.1 | 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
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F3
oklch(88.6% 0.038 275.7)
-
Step 300
300
#B4BEED
oklch(81% 0.067 275.4)
-
Step 400
400
#8E9BE4
oklch(70.8% 0.108 275.6)
-
Step 500
500
#7380DC
oklch(63.1% 0.138 275.6)
-
Step 600
600 (this color)
#5D68CA
oklch(55.8% 0.15 275.6)
-
Step 700
700
#4C56AE
oklch(49.1% 0.139 275.2)
-
Step 800
800
#3F468D
oklch(42.6% 0.116 276.1)
-
Step 900
900
#353C71
oklch(37.8% 0.09 275.5)
-
Step 950
950
#1F2342
oklch(26.9% 0.058 276.3)
#5D68CA 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) | #3976CE | 0.048 |
| Deuteranopia (no green cones) | #2C6DC8 | 0.050 |
| Tritanopia (no blue cones) | #287E8F | 0.133 |
| Achromatopsia (no color) | #717171 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D68CA
#5D68CA
oklch(55.8% 0.15 275.6)
- #887200
#887200
oklch(55.6% 0.114 95.6)
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 #5D68CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.038
- Iris #6258C4 ΔE 0.039
- Light Indigo #6D5ACF ΔE 0.040
- Royal Blue #4169E1 ΔE 0.047
- French Blue #436BAD ΔE 0.058
- Warm Blue #4B57DB ΔE 0.058
- Windows Blue #3778BF ΔE 0.060
Use #5D68CA 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.