#6B557F
Closest named color: Dusty Grape (#545775). oklch(48.8% 0.071 307.9), rgb(107, 85, 127).
Aa
White text reads best on this color (6.49:1).
About this color
#6B557F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.071 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.042 away. White text reads best on it, at 6.49:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.23:1 |
| White text | 6.49:1 |
Values
| HEX | #6B557F |
| RGB | rgb(107, 85, 127) |
| HSL | hsl(271, 20%, 42%) |
| OKLCH | oklch(48.8% 0.071 307.9) |
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 #6B557F | 6.49:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #6B557F | 3.23:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #6B557F text on white | 6.49:1 | AA | Lc 82.2 | Fine for body text |
| #6B557F text on black | 3.23:1 | AA large text | Lc -19.7 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DCD6E3
oklch(88.5% 0.019 306.6)
-
Step 300
300
#C7BBD2
oklch(80.9% 0.034 308.9)
-
Step 400
400
#AA98BB
oklch(70.7% 0.054 308.2)
-
Step 500
500
#957EAA
oklch(63% 0.07 308.2)
-
Step 600
600
#806796
oklch(55.6% 0.077 308.3)
-
Step 700
700 (this color)
#6B557F
oklch(48.8% 0.071 307.9)
-
Step 800
800
#584668
oklch(42.7% 0.059 308.2)
-
Step 900
900
#483B54
oklch(37.6% 0.045 308)
-
Step 950
950
#2A2331
oklch(27% 0.027 307.3)
#6B557F 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) | #4D5D81 | 0.049 |
| Deuteranopia (no green cones) | #525E7E | 0.045 |
| Tritanopia (no blue cones) | #685B64 | 0.053 |
| Achromatopsia (no color) | #5E5E5E | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B557F
#6B557F
oklch(48.8% 0.071 307.9)
- #54683B
#54683B
oklch(48.9% 0.071 128.3)
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 #6B557F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.042
- Muted Purple #805B87 ΔE 0.043
- Dull Purple #84597E ΔE 0.047
- Dusk #4E5481 ΔE 0.047
- Dusty Purple #825F87 ΔE 0.051
- Twilight #4E518B ΔE 0.054
- Dusky Purple #895B7B ΔE 0.058
- Dusky Blue #475F94 ΔE 0.062
Use #6B557F 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.