#6B3E86
Closest named color: Rebecca Purple (#663399). oklch(45% 0.122 311.3), rgb(107, 62, 134).
Aa
White text reads best on this color (7.89:1).
About this color
#6B3E86 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.122 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.044 away. White text reads best on it, at 7.89:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.65:1 |
| White text | 7.89:1 |
Values
| HEX | #6B3E86 |
| RGB | rgb(107, 62, 134) |
| HSL | hsl(278, 37%, 38%) |
| OKLCH | oklch(45% 0.122 311.3) |
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 #6B3E86 | 7.89:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #6B3E86 | 2.65:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #6B3E86 text on white | 7.89:1 | AAA | Lc 87.1 | Fine for body text |
| #6B3E86 text on black | 2.65:1 | Fails | Lc -15.0 | Not readable |
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 800.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E2D2ED
oklch(88.5% 0.04 311.7)
-
Step 300
300
#D0B4E3
oklch(80.9% 0.072 311.5)
-
Step 400
400
#B88CD5
oklch(70.8% 0.114 311.3)
-
Step 500
500
#A66DC9
oklch(63.1% 0.145 311.4)
-
Step 600
600
#9153B6
oklch(55.6% 0.158 311.2)
-
Step 700
700
#7B439D
oklch(49.1% 0.147 310.8)
-
Step 800
800 (this color)
#6B3E86
oklch(45% 0.122 311.3)
-
Step 900
900
#523166
oklch(37.8% 0.095 311.4)
-
Step 950
950
#301D3C
oklch(27% 0.061 311.2)
#6B3E86 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) | #2B4F88 | 0.102 |
| Deuteranopia (no green cones) | #395284 | 0.091 |
| Tritanopia (no blue cones) | #684A5C | 0.084 |
| Achromatopsia (no color) | #515151 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3E86
#6B3E86
oklch(45% 0.122 311.3)
- #3C6203
#3C6203
oklch(45% 0.122 131.1)
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 #6B3E86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.044
- Light Eggplant #894585 ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.065
- Twilight #4E518B ΔE 0.065
- Blueberry #464196 ΔE 0.070
- Dusk #4E5481 ΔE 0.074
- Warm Purple #952E8F ΔE 0.085
- Dusty Grape #545775 ΔE 0.086
Use #6B3E86 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.