#6466FA
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.3% 0.215 277), rgb(100, 102, 250).
Aa
Black text reads best on this color (4.82:1).
About this color
#6466FA is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.215 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.039 away. Black text reads best on it, at 4.82:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.215) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #6466FA |
| RGB | rgb(100, 102, 250) |
| HSL | hsl(239, 94%, 69%) |
| OKLCH | oklch(59.3% 0.215 277) |
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 #6466FA | 4.35:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #6466FA | 4.82:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #6466FA text on white | 4.35:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #6466FA text on black | 4.82:1 | AA | Lc -32.0 | Non-text elements, placeholder text |
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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FD
oklch(93.7% 0.027 276.8)
-
Step 200
200
#CFD7FD
oklch(88.5% 0.053 275.9)
-
Step 300
300
#B0BBFF
oklch(80.8% 0.097 276.9)
-
Step 400
400
#8995FF
oklch(70.7% 0.154 276.8)
-
Step 500
500
#6F76FE
oklch(63.1% 0.199 276.9)
-
Step 600
600 (this color)
#6466FA
oklch(59.3% 0.215 277)
-
Step 700
700
#4B48CE
oklch(49% 0.2 277)
-
Step 800
800
#3D3DA7
oklch(42.8% 0.166 276.8)
-
Step 900
900
#333584
oklch(37.6% 0.13 277.1)
-
Step 950
950
#1E204D
oklch(27% 0.081 277.5)
#6466FA 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) | #007FFF | 0.079 |
| Deuteranopia (no green cones) | #0073F7 | 0.072 |
| Tritanopia (no blue cones) | #008AA6 | 0.183 |
| Achromatopsia (no color) | #797979 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6466FA
#6466FA
oklch(59.3% 0.215 277)
- #937D00
#937D00
oklch(59.2% 0.122 96.7)
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 #6466FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.039
- Cornflower #6A79F7 ΔE 0.046
- Neon Blue #4361EE ΔE 0.048
- Royal Blue #4169E1 ΔE 0.057
- Dark Periwinkle #665FD1 ΔE 0.063
- Clear Blue #247AFD ΔE 0.067
- Purpley #8756E4 ΔE 0.068
- Warm Blue #4B57DB ΔE 0.069
Use #6466FA 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.