#6F40A3
Closest named color: Rebecca Purple (#663399). oklch(47.7% 0.155 302.8), rgb(111, 64, 163).
Aa
White text reads best on this color (7.14:1).
About this color
#6F40A3 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.155 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.037 away. White text reads best on it, at 7.14:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.93:1 |
| White text | 7.14:1 |
Values
| HEX | #6F40A3 |
| RGB | rgb(111, 64, 163) |
| HSL | hsl(268, 44%, 45%) |
| OKLCH | oklch(47.7% 0.155 302.8) |
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 #6F40A3 | 7.14:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #6F40A3 | 2.93:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #6F40A3 text on white | 7.14:1 | AAA | Lc 84.4 | Fine for body text |
| #6F40A3 text on black | 2.93:1 | Fails | Lc -17.6 | 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 700.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DED3F1
oklch(88.5% 0.042 302.2)
-
Step 300
300
#CAB5E9
oklch(80.8% 0.075 303.2)
-
Step 400
400
#AF8DDE
oklch(70.6% 0.121 302.7)
-
Step 500
500
#9C6FD5
oklch(63.1% 0.154 302.6)
-
Step 600
600
#8855C2
oklch(55.7% 0.166 303)
-
Step 700
700 (this color)
#6F40A3
oklch(47.7% 0.155 302.8)
-
Step 800
800
#5E3988
oklch(42.8% 0.129 303)
-
Step 900
900
#4D326D
oklch(37.8% 0.1 303)
-
Step 950
950
#2D1E40
oklch(27.1% 0.063 302.8)
#6F40A3 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) | #0A57A6 | 0.123 |
| Deuteranopia (no green cones) | #2657A1 | 0.111 |
| Tritanopia (no blue cones) | #65546B | 0.115 |
| Achromatopsia (no color) | #585858 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F40A3
#6F40A3
oklch(47.7% 0.155 302.8)
- #516600
#516600
oklch(47.6% 0.116 122.6)
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 #6F40A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.037
- Bluey Purple #6241C7 ΔE 0.063
- Iris #6258C4 ΔE 0.074
- Light Eggplant #894585 ΔE 0.074
- Blueberry #464196 ΔE 0.074
- Blue With A Hint Of Purple #533CC6 ΔE 0.078
- Grape #7209B7 ΔE 0.079
- Twilight #4E518B ΔE 0.080
Use #6F40A3 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.