#5C5CCF
Closest named color: Dark Periwinkle (#665FD1). oklch(53.8% 0.173 278.8), rgb(92, 92, 207).
Aa
White text reads best on this color (5.40:1).
About this color
#5C5CCF is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.173 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.017 away. White text reads best on it, at 5.40:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 3.88:1 |
| White text | 5.40:1 |
Values
| HEX | #5C5CCF |
| RGB | rgb(92, 92, 207) |
| HSL | hsl(240, 55%, 59%) |
| OKLCH | oklch(53.8% 0.173 278.8) |
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 #5C5CCF | 5.40:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #5C5CCF | 3.88:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #5C5CCF text on white | 5.40:1 | AA | Lc 76.6 | Fine for body text |
| #5C5CCF text on black | 3.88:1 | AA large text | Lc -25.1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F6
oklch(88.5% 0.043 278.2)
-
Step 300
300
#B5BCF3
oklch(80.9% 0.078 278.9)
-
Step 400
400
#9098ED
oklch(70.8% 0.124 278.6)
-
Step 500
500
#767BE7
oklch(63% 0.16 278.8)
-
Step 600
600 (this color)
#5C5CCF
oklch(53.8% 0.173 278.8)
-
Step 700
700
#5050B9
oklch(49.1% 0.162 278.6)
-
Step 800
800
#424296
oklch(42.7% 0.134 279.1)
-
Step 900
900
#373977
oklch(37.7% 0.104 278.8)
-
Step 950
950
#202246
oklch(27.1% 0.066 278.6)
#5C5CCF 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) | #046FD3 | 0.074 |
| Deuteranopia (no green cones) | #0066CD | 0.071 |
| Tritanopia (no blue cones) | #20778C | 0.152 |
| Achromatopsia (no color) | #6A6A6A | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C5CCF
#5C5CCF
oklch(53.8% 0.173 278.8)
- #7F6E00
#7F6E00
oklch(53.8% 0.111 98.5)
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 #5C5CCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.017
- Iris #6258C4 ΔE 0.020
- Slate Blue #6A5ACD ΔE 0.021
- Light Indigo #6D5ACF ΔE 0.026
- Warm Blue #4B57DB ΔE 0.033
- Royal Blue #4169E1 ΔE 0.047
- Neon Blue #4361EE ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.059
Use #5C5CCF 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.