#5B69DC
Closest named color: Dark Periwinkle (#665FD1). oklch(57% 0.174 274.3), rgb(91, 105, 220).
Aa
White text reads best on this color (4.66:1).
About this color
#5B69DC is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.174 and its hue 274°. 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 4.66:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.49:1 |
| White text | 4.66:1 |
Values
| HEX | #5B69DC |
| RGB | rgb(91, 105, 220) |
| HSL | hsl(233, 65%, 61%) |
| OKLCH | oklch(57% 0.174 274.3) |
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 #5B69DC | 4.66:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #5B69DC | 4.49:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #5B69DC text on white | 4.66:1 | AA | Lc 72.1 | Content text, not long reading |
| #5B69DC text on black | 4.49:1 | AA large text | Lc -29.6 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D8F7
oklch(88.6% 0.044 274)
-
Step 300
300
#B1BDF4
oklch(80.8% 0.079 274.9)
-
Step 400
400
#899AEE
oklch(70.8% 0.124 274.1)
-
Step 500
500
#6D7EE9
oklch(63.1% 0.161 274.1)
-
Step 600
600 (this color)
#5B69DC
oklch(57% 0.174 274.3)
-
Step 700
700
#4853BB
oklch(49.2% 0.162 274.2)
-
Step 800
800
#3B4497
oklch(42.7% 0.135 274.5)
-
Step 900
900
#323A78
oklch(37.6% 0.105 274.7)
-
Step 950
950
#1D2346
oklch(27.1% 0.065 273.9)
#5B69DC 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) | #247AE0 | 0.058 |
| Deuteranopia (no green cones) | #006FDA | 0.062 |
| Tritanopia (no blue cones) | #008498 | 0.153 |
| Achromatopsia (no color) | #747474 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B69DC
#5B69DC
oklch(57% 0.174 274.3)
- #8E7500
#8E7500
oklch(57% 0.117 94)
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 #5B69DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.030
- Royal Blue #4169E1 ΔE 0.030
- Slate Blue #6A5ACD ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.044
- Neon Blue #4361EE ΔE 0.046
- Warm Blue #4B57DB ΔE 0.050
- Iris #6258C4 ΔE 0.052
- Medium Slate Blue #7B68EE ΔE 0.053
Use #5B69DC 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.