#6B4588
Closest named color: Twilight (#4E518B). oklch(46.3% 0.112 308.8), rgb(107, 69, 136).
Aa
White text reads best on this color (7.41:1).
About this color
#6B4588 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.112 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.055 away. White text reads best on it, at 7.41:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.83:1 |
| White text | 7.41:1 |
Values
| HEX | #6B4588 |
| RGB | rgb(107, 69, 136) |
| HSL | hsl(274, 33%, 40%) |
| OKLCH | oklch(46.3% 0.112 308.8) |
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 #6B4588 | 7.41:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #6B4588 | 2.83:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #6B4588 text on white | 7.41:1 | AAA | Lc 85.6 | Fine for body text |
| #6B4588 text on black | 2.83:1 | Fails | Lc -16.5 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F2
oklch(93.6% 0.016 310.1)
-
Step 200
200
#DFD4E9
oklch(88.5% 0.031 309.1)
-
Step 300
300
#CBB8DC
oklch(81% 0.054 308.9)
-
Step 400
400
#B092CA
oklch(70.7% 0.086 308.7)
-
Step 500
500
#9D76BC
oklch(63.1% 0.11 309.1)
-
Step 600
600
#885EA9
oklch(55.7% 0.121 308.8)
-
Step 700
700 (this color)
#6B4588
oklch(46.3% 0.112 308.8)
-
Step 800
800
#5E3F75
oklch(42.6% 0.093 309.4)
-
Step 900
900
#4D365F
oklch(37.7% 0.073 309.1)
-
Step 950
950
#2D2037
oklch(27% 0.045 309.5)
#6B4588 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) | #34548A | 0.088 |
| Deuteranopia (no green cones) | #3F5686 | 0.080 |
| Tritanopia (no blue cones) | #675060 | 0.080 |
| Achromatopsia (no color) | #555555 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4588
#6B4588
oklch(46.3% 0.112 308.8)
- #456412
#456412
oklch(46.2% 0.112 128.8)
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 #6B4588, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.055
- Rebecca Purple #663399 ΔE 0.055
- Light Eggplant #894585 ΔE 0.057
- Dusk #4E5481 ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.069
- Blueberry #464196 ΔE 0.071
- Dusty Grape #545775 ΔE 0.073
- Muted Purple #805B87 ΔE 0.074
Use #6B4588 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.