#6A6CEB
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.6% 0.187 278.4), rgb(106, 108, 235).
Aa
Black text reads best on this color (4.95:1).
About this color
#6A6CEB is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.187 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.026 away. Black text reads best on it, at 4.95:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.95:1 |
| White text | 4.23:1 |
Values
| HEX | #6A6CEB |
| RGB | rgb(106, 108, 235) |
| HSL | hsl(239, 76%, 67%) |
| OKLCH | oklch(59.6% 0.187 278.4) |
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 #6A6CEB | 4.23:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #6A6CEB | 4.95:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #6A6CEB text on white | 4.23:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #6A6CEB text on black | 4.95:1 | AA | Lc -32.7 | 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 500.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D1D7FB
oklch(88.6% 0.05 277.9)
-
Step 300
300
#B3BBFC
oklch(80.9% 0.092 278.7)
-
Step 400
400
#8D95FA
oklch(70.7% 0.147 278.5)
-
Step 500
500 (this color)
#6A6CEB
oklch(59.6% 0.187 278.4)
-
Step 600
600
#5E5CE6
oklch(55.6% 0.203 278.1)
-
Step 700
700
#4F4AC8
oklch(49.1% 0.189 278.6)
-
Step 800
800
#403EA2
oklch(42.8% 0.157 278.3)
-
Step 900
900
#353680
oklch(37.6% 0.122 278.2)
-
Step 950
950
#1F204B
oklch(26.9% 0.078 278.8)
#6A6CEB 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) | #1980EF | 0.077 |
| Deuteranopia (no green cones) | #0076E8 | 0.078 |
| Tritanopia (no blue cones) | #2889A1 | 0.163 |
| Achromatopsia (no color) | #7B7B7B | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A6CEB
#6A6CEB
oklch(59.6% 0.187 278.4)
- #937F00
#937F00
oklch(59.7% 0.123 98.1)
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 #6A6CEB, closest first.
No curated palette has a color within ΔE 0.04 of #6A6CEB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.026
- Cornflower #6A79F7 ΔE 0.034
- Dark Periwinkle #665FD1 ΔE 0.049
- Royal Blue #4169E1 ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.057
- Neon Blue #4361EE ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.060
- Purpley #8756E4 ΔE 0.062
Use #6A6CEB 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.