#5F60CF
Closest named color: Dark Periwinkle (#665FD1). oklch(54.7% 0.167 278.9), rgb(95, 96, 207).
Aa
White text reads best on this color (5.17:1).
About this color
#5F60CF is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.167 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.011 away. White text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.06:1 |
| White text | 5.17:1 |
Values
| HEX | #5F60CF |
| RGB | rgb(95, 96, 207) |
| HSL | hsl(239, 54%, 59%) |
| OKLCH | oklch(54.7% 0.167 278.9) |
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 #5F60CF | 5.17:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #5F60CF | 4.06:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #5F60CF text on white | 5.17:1 | AA | Lc 75.3 | Fine for body text |
| #5F60CF text on black | 4.06:1 | AA large text | Lc -26.4 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B5BCF1
oklch(80.8% 0.075 278.7)
-
Step 400
400
#9198EB
oklch(70.8% 0.121 279.1)
-
Step 500
500
#777CE4
oklch(63.1% 0.154 278.9)
-
Step 600
600 (this color)
#5F60CF
oklch(54.7% 0.167 278.9)
-
Step 700
700
#5151B6
oklch(49.1% 0.156 279)
-
Step 800
800
#424393
oklch(42.7% 0.129 278.9)
-
Step 900
900
#373975
oklch(37.6% 0.101 278.9)
-
Step 950
950
#202245
oklch(27% 0.064 278.7)
#5F60CF 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) | #1E72D3 | 0.069 |
| Deuteranopia (no green cones) | #0269CD | 0.073 |
| Tritanopia (no blue cones) | #2A798E | 0.145 |
| Achromatopsia (no color) | #6D6D6D | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F60CF
#5F60CF
oklch(54.7% 0.167 278.9)
- #827100
#827100
oklch(54.8% 0.113 98.8)
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 #5F60CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.011
- Slate Blue #6A5ACD ΔE 0.020
- Light Indigo #6D5ACF ΔE 0.024
- Iris #6258C4 ΔE 0.024
- Warm Blue #4B57DB ΔE 0.042
- Royal Blue #4169E1 ΔE 0.046
- Neon Blue #4361EE ΔE 0.058
- Medium Slate Blue #7B68EE ΔE 0.066
Use #5F60CF 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.