#6556F2
Closest named color: Neon Blue (#4361EE). oklch(56.1% 0.224 280.7), rgb(101, 86, 242).
Aa
White text reads best on this color (5.04:1).
About this color
#6556F2 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.224 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.046 away. White text reads best on it, at 5.04:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.224) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #6556F2 |
| RGB | rgb(101, 86, 242) |
| HSL | hsl(246, 86%, 64%) |
| OKLCH | oklch(56.1% 0.224 280.7) |
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 #6556F2 | 5.04:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #6556F2 | 4.16:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #6556F2 text on white | 5.04:1 | AA | Lc 74.2 | Content text, not long reading |
| #6556F2 text on black | 4.16:1 | AA large text | Lc -27.5 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E6E8FE
oklch(93.6% 0.03 281.7)
-
Step 200
200
#D2D6FE
oklch(88.6% 0.055 280.7)
-
Step 300
300
#B5BAFF
oklch(81% 0.097 280.8)
-
Step 400
400
#9092FF
oklch(70.6% 0.157 280.8)
-
Step 500
500
#7872FF
oklch(63.1% 0.203 280.8)
-
Step 600
600 (this color)
#6556F2
oklch(56.1% 0.224 280.7)
-
Step 700
700
#5343D1
oklch(49.1% 0.208 280.6)
-
Step 800
800
#4438A9
oklch(42.7% 0.173 280.9)
-
Step 900
900
#383386
oklch(37.8% 0.134 280.5)
-
Step 950
950
#201F4E
oklch(27% 0.084 280.1)
#6556F2 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) | #0074F7 | 0.090 |
| Deuteranopia (no green cones) | #0069EF | 0.083 |
| Tritanopia (no blue cones) | #007E9C | 0.192 |
| Achromatopsia (no color) | #6F6F6F | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6556F2
#6556F2
oklch(56.1% 0.224 280.7)
- #847600
#847600
oklch(56.1% 0.117 101.1)
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 #6556F2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.046
- Warm Blue #4B57DB ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.055
- Medium Slate Blue #7B68EE ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.056
- Slate Blue #6A5ACD ΔE 0.058
- Purpley #8756E4 ΔE 0.060
- Royal Blue #4169E1 ΔE 0.062
Use #6556F2 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.