#6B539F
Closest named color: Twilight (#4E518B). oklch(50.2% 0.119 296.4), rgb(107, 83, 159).
Aa
White text reads best on this color (6.24:1).
About this color
#6B539F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.119 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.058 away. White text reads best on it, at 6.24:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #6B539F |
| RGB | rgb(107, 83, 159) |
| HSL | hsl(259, 31%, 47%) |
| OKLCH | oklch(50.2% 0.119 296.4) |
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 #6B539F | 6.24:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #6B539F | 3.36:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #6B539F text on white | 6.24:1 | AA | Lc 81.0 | Fine for body text |
| #6B539F text on black | 3.36:1 | AA large text | Lc -20.9 | 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
#EBE8F4
oklch(93.7% 0.016 297.5)
-
Step 200
200
#DBD5EC
oklch(88.5% 0.032 297.7)
-
Step 300
300
#C4BAE2
oklch(81% 0.057 296.6)
-
Step 400
400
#A695D4
oklch(70.8% 0.092 296.4)
-
Step 500
500
#9179C8
oklch(63.1% 0.118 296.9)
-
Step 600
600
#7B61B5
oklch(55.6% 0.128 296.2)
-
Step 700
700 (this color)
#6B539F
oklch(50.2% 0.119 296.4)
-
Step 800
800
#55427E
oklch(42.8% 0.098 296.6)
-
Step 900
900
#463865
oklch(37.7% 0.076 296.9)
-
Step 950
950
#29213B
oklch(27% 0.048 297.2)
#6B539F 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) | #3A61A2 | 0.073 |
| Deuteranopia (no green cones) | #3F609D | 0.069 |
| Tritanopia (no blue cones) | #606171 | 0.095 |
| Achromatopsia (no color) | #606060 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B539F
#6B539F
oklch(50.2% 0.119 296.4)
- #606B00
#606B00
oklch(50.1% 0.115 116.6)
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 #6B539F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.058
- Iris #6258C4 ΔE 0.059
- Muted Purple #805B87 ΔE 0.062
- Dusky Blue #475F94 ΔE 0.064
- Dusk #4E5481 ΔE 0.069
- Light Eggplant #894585 ΔE 0.070
- Dusty Purple #825F87 ΔE 0.071
- Slate Blue #6A5ACD ΔE 0.072
Use #6B539F 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.