#5668D0
Closest named color: Dark Periwinkle (#665FD1). oklch(55.7% 0.16 272.7), rgb(86, 104, 208).
Aa
White text reads best on this color (4.89:1).
About this color
#5668D0 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.160 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 4.89:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.28:1 |
| White text | 4.89:1 |
Values
| HEX | #5668D0 |
| RGB | rgb(86, 104, 208) |
| HSL | hsl(231, 56%, 58%) |
| OKLCH | oklch(55.7% 0.16 272.7) |
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 #5668D0 | 4.89:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #5668D0 | 4.28:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #5668D0 text on white | 4.89:1 | AA | Lc 73.7 | Content text, not long reading |
| #5668D0 text on black | 4.28:1 | AA large text | Lc -28.0 | 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
#B1BEF0
oklch(80.9% 0.072 273.3)
-
Step 400
400
#889BE9
oklch(70.6% 0.116 272.7)
-
Step 500
500
#6C80E2
oklch(63% 0.149 272.8)
-
Step 600
600 (this color)
#5668D0
oklch(55.7% 0.16 272.7)
-
Step 700
700
#4656B4
oklch(49.2% 0.149 272.5)
-
Step 800
800
#3A4792
oklch(42.8% 0.124 272.7)
-
Step 900
900
#313C74
oklch(37.7% 0.096 272.6)
-
Step 950
950
#1D2344
oklch(26.9% 0.062 273.8)
#5668D0 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) | #3176D4 | 0.046 |
| Deuteranopia (no green cones) | #196CCE | 0.052 |
| Tritanopia (no blue cones) | #008092 | 0.141 |
| Achromatopsia (no color) | #717171 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5668D0
#5668D0
oklch(55.7% 0.16 272.7)
- #8B7100
#8B7100
oklch(55.8% 0.114 92.8)
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 #5668D0, 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
- Slate Blue #6A5ACD ΔE 0.041
- Iris #6258C4 ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.043
- Warm Blue #4B57DB ΔE 0.049
- Neon Blue #4361EE ΔE 0.055
- Windows Blue #3778BF ΔE 0.060
Use #5668D0 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.