#6A6BBC
Closest named color: Dark Periwinkle (#665FD1). oklch(56.4% 0.123 281.1), rgb(106, 107, 188).
Aa
White text reads best on this color (4.72:1).
About this color
#6A6BBC is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.123 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.048 away. White text reads best on it, at 4.72:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #6A6BBC |
| RGB | rgb(106, 107, 188) |
| HSL | hsl(239, 38%, 58%) |
| OKLCH | oklch(56.4% 0.123 281.1) |
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 #6A6BBC | 4.72:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #6A6BBC | 4.44:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #6A6BBC text on white | 4.72:1 | AA | Lc 72.7 | Content text, not long reading |
| #6A6BBC text on black | 4.44:1 | AA large text | Lc -29.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7EE
oklch(88.5% 0.032 281.8)
-
Step 300
300
#BABDE4
oklch(80.9% 0.055 281.6)
-
Step 400
400
#979AD7
oklch(70.7% 0.089 281.7)
-
Step 500
500
#7E80CC
oklch(63% 0.113 281.5)
-
Step 600
600 (this color)
#6A6BBC
oklch(56.4% 0.123 281.1)
-
Step 700
700
#5657A0
oklch(49.1% 0.115 280.7)
-
Step 800
800
#474781
oklch(42.7% 0.095 281.6)
-
Step 900
900
#3B3C68
oklch(37.7% 0.074 281.2)
-
Step 950
950
#22233D
oklch(26.9% 0.048 281)
#6A6BBC 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) | #4D76BF | 0.043 |
| Deuteranopia (no green cones) | #4870BA | 0.044 |
| Tritanopia (no blue cones) | #507B8A | 0.107 |
| Achromatopsia (no color) | #737373 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A6BBC
#6A6BBC
oklch(56.4% 0.123 281.1)
- #857700
#857700
oklch(56.5% 0.118 101.2)
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 #6A6BBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.053
- Iris #6258C4 ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.055
- French Blue #436BAD ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.061
- Windows Blue #3778BF ΔE 0.062
- Dark Lavender #856798 ΔE 0.068
Use #6A6BBC 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.