#6B559D
Closest named color: Twilight (#4E518B). oklch(50.4% 0.113 296.2), rgb(107, 85, 157).
Aa
White text reads best on this color (6.15:1).
About this color
#6B559D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.113 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.057 away. White text reads best on it, at 6.15:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #6B559D |
| RGB | rgb(107, 85, 157) |
| HSL | hsl(258, 30%, 47%) |
| OKLCH | oklch(50.4% 0.113 296.2) |
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 #6B559D | 6.15:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #6B559D | 3.41:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #6B559D text on white | 6.15:1 | AA | Lc 80.6 | Fine for body text |
| #6B559D text on black | 3.41:1 | AA large text | Lc -21.3 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD5EB
oklch(88.4% 0.03 296.2)
-
Step 300
300
#C3BAE1
oklch(80.9% 0.055 295.7)
-
Step 400
400
#A596D1
oklch(70.8% 0.086 295.8)
-
Step 500
500
#907BC5
oklch(63.2% 0.111 296.1)
-
Step 600
600
#7A62B2
oklch(55.5% 0.123 296)
-
Step 700
700 (this color)
#6B559D
oklch(50.4% 0.113 296.2)
-
Step 800
800
#54437C
oklch(42.7% 0.093 296)
-
Step 900
900
#453964
oklch(37.7% 0.073 295.5)
-
Step 950
950
#29213A
oklch(26.9% 0.047 297.9)
#6B559D 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) | #3E62A0 | 0.068 |
| Deuteranopia (no green cones) | #43619B | 0.063 |
| Tritanopia (no blue cones) | #606271 | 0.090 |
| Achromatopsia (no color) | #616161 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B559D
#6B559D
oklch(50.4% 0.113 296.2)
- #616C07
#616C07
oklch(50.5% 0.113 116.6)
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 #6B559D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.057
- Muted Purple #805B87 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.061
- Iris #6258C4 ΔE 0.062
- Dusty Purple #825F87 ΔE 0.065
- Dusk #4E5481 ΔE 0.066
- Light Eggplant #894585 ΔE 0.070
- Dull Purple #84597E ΔE 0.070
Use #6B559D 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.