#5F68DC
Closest named color: Dark Periwinkle (#665FD1). oklch(57.1% 0.175 276), rgb(95, 104, 220).
Aa
White text reads best on this color (4.66:1).
About this color
#5F68DC is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.175 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 4.66:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.175) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #5F68DC |
| RGB | rgb(95, 104, 220) |
| HSL | hsl(236, 64%, 62%) |
| OKLCH | oklch(57.1% 0.175 276) |
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 #5F68DC | 4.66:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #5F68DC | 4.50:1 | AA | Lc 32.0 | Non-text elements, placeholder text |
| #5F68DC text on white | 4.66:1 | AA | Lc 72.1 | Content text, not long reading |
| #5F68DC text on black | 4.50:1 | AA | 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
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B2BDF4
oklch(80.9% 0.079 275.7)
-
Step 400
400
#8C99EE
oklch(70.8% 0.125 276.1)
-
Step 500
500
#717DE9
oklch(63.2% 0.161 276)
-
Step 600
600 (this color)
#5F68DC
oklch(57.1% 0.175 276)
-
Step 700
700
#4B52BA
oklch(49.2% 0.161 275.8)
-
Step 800
800
#3D4397
oklch(42.6% 0.136 275.9)
-
Step 900
900
#343A78
oklch(37.8% 0.104 276)
-
Step 950
950
#1E2246
oklch(26.9% 0.066 276.2)
#5F68DC 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) | #237AE0 | 0.063 |
| Deuteranopia (no green cones) | #006FDA | 0.068 |
| Tritanopia (no blue cones) | #108398 | 0.154 |
| Achromatopsia (no color) | #747474 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F68DC
#5F68DC
oklch(57.1% 0.175 276)
- #8C7600
#8C7600
oklch(57% 0.117 96)
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 #5F68DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.027
- Royal Blue #4169E1 ΔE 0.035
- Light Indigo #6D5ACF ΔE 0.040
- Slate Blue #6A5ACD ΔE 0.040
- Neon Blue #4361EE ΔE 0.049
- Medium Slate Blue #7B68EE ΔE 0.049
- Iris #6258C4 ΔE 0.051
- Warm Blue #4B57DB ΔE 0.051
Use #5F68DC 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.