#6B4688
Closest named color: Twilight (#4E518B). oklch(46.5% 0.11 308.6), rgb(107, 70, 136).
Aa
White text reads best on this color (7.35:1).
About this color
#6B4688 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.110 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.053 away. White text reads best on it, at 7.35:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #6B4688 |
| RGB | rgb(107, 70, 136) |
| HSL | hsl(274, 32%, 40%) |
| OKLCH | oklch(46.5% 0.11 308.6) |
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 #6B4688 | 7.35:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #6B4688 | 2.85:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #6B4688 text on white | 7.35:1 | AAA | Lc 85.3 | Fine for body text |
| #6B4688 text on black | 2.85:1 | Fails | Lc -16.7 | 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
#CAB8DC
oklch(80.9% 0.054 307.7)
-
Step 400
400
#B092CA
oklch(70.7% 0.086 308.7)
-
Step 500
500
#9C77BC
oklch(63.2% 0.108 308.2)
-
Step 600
600
#875EA8
oklch(55.5% 0.119 308.5)
-
Step 700
700 (this color)
#6B4688
oklch(46.5% 0.11 308.6)
-
Step 800
800
#5D4075
oklch(42.7% 0.091 308.2)
-
Step 900
900
#4C365E
oklch(37.5% 0.071 308.6)
-
Step 950
950
#2D2037
oklch(27% 0.045 309.5)
#6B4688 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) | #36548A | 0.085 |
| Deuteranopia (no green cones) | #405686 | 0.077 |
| Tritanopia (no blue cones) | #675160 | 0.080 |
| Achromatopsia (no color) | #565656 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4688
#6B4688
oklch(46.5% 0.11 308.6)
- #466515
#466515
oklch(46.6% 0.111 128.9)
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 #6B4688, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.053
- Light Eggplant #894585 ΔE 0.057
- Rebecca Purple #663399 ΔE 0.057
- Dusk #4E5481 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.070
- Muted Purple #805B87 ΔE 0.071
- Dusty Grape #545775 ΔE 0.072
- Blueberry #464196 ΔE 0.072
Use #6B4688 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.