#6561AA
Closest named color: French Blue (#436BAD). oklch(53% 0.113 284.4), rgb(101, 97, 170).
Aa
White text reads best on this color (5.46:1).
About this color
#6561AA is a medium-dark, moderately saturated purple. In OKLCH its lightness is 53%, its chroma 0.113 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.048 away. White text reads best on it, at 5.46:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #6561AA |
| RGB | rgb(101, 97, 170) |
| HSL | hsl(243, 30%, 52%) |
| OKLCH | oklch(53% 0.113 284.4) |
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 #6561AA | 5.46:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #6561AA | 3.84:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #6561AA text on white | 5.46:1 | AA | Lc 77.2 | Fine for body text |
| #6561AA text on black | 3.84:1 | AA large text | Lc -24.6 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BCBDE1
oklch(80.9% 0.051 284)
-
Step 400
400
#9A9AD2
oklch(70.7% 0.081 284.1)
-
Step 500
500
#8280C6
oklch(63% 0.104 284.3)
-
Step 600
600 (this color)
#6561AA
oklch(53% 0.113 284.4)
-
Step 700
700
#5B579A
oklch(49.2% 0.105 284.5)
-
Step 800
800
#4A477C
oklch(42.6% 0.086 284.7)
-
Step 900
900
#3E3C64
oklch(37.7% 0.068 285)
-
Step 950
950
#24233B
oklch(26.9% 0.044 284.9)
#6561AA 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) | #476CAD | 0.046 |
| Deuteranopia (no green cones) | #4567A8 | 0.044 |
| Tritanopia (no blue cones) | #516F7D | 0.096 |
| Achromatopsia (no color) | #696969 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6561AA
#6561AA
oklch(53% 0.113 284.4)
- #776E00
#776E00
oklch(53% 0.112 103.9)
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 #6561AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.048
- Iris #6258C4 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.062
- Light Indigo #6D5ACF ΔE 0.064
- Dark Lavender #856798 ΔE 0.064
- Flat Blue #3C73A8 ΔE 0.066
Use #6561AA 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.