#6B50CB
Closest named color: Slate Blue (#6A5ACD). oklch(52.6% 0.182 288.6), rgb(107, 80, 203).
Aa
White text reads best on this color (5.77:1).
About this color
#6B50CB is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.182 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.023 away. White text reads best on it, at 5.77:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #6B50CB |
| RGB | rgb(107, 80, 203) |
| HSL | hsl(253, 54%, 55%) |
| OKLCH | oklch(52.6% 0.182 288.6) |
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 #6B50CB | 5.77:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #6B50CB | 3.63:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #6B50CB text on white | 5.77:1 | AA | Lc 78.5 | Fine for body text |
| #6B50CB text on black | 3.63:1 | AA large text | Lc -23.3 | 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 600.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D7D5F6
oklch(88.5% 0.045 288.2)
-
Step 300
300
#BEB9F3
oklch(81% 0.081 288.4)
-
Step 400
400
#9E92ED
oklch(70.7% 0.131 288.6)
-
Step 500
500
#8874E7
oklch(63.1% 0.167 288.7)
-
Step 600
600 (this color)
#6B50CB
oklch(52.6% 0.182 288.6)
-
Step 700
700
#6148B9
oklch(49.1% 0.17 288.7)
-
Step 800
800
#4F3C95
oklch(42.7% 0.14 288.9)
-
Step 900
900
#413577
oklch(37.8% 0.108 288.5)
-
Step 950
950
#261F46
oklch(27% 0.07 289.1)
#6B50CB 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) | #0068CF | 0.102 |
| Deuteranopia (no green cones) | #0062C8 | 0.101 |
| Tritanopia (no blue cones) | #4C6C86 | 0.148 |
| Achromatopsia (no color) | #666666 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B50CB
#6B50CB
oklch(52.6% 0.182 288.6)
- #716F00
#716F00
oklch(52.6% 0.114 108.5)
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 #6B50CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.023
- Light Indigo #6D5ACF ΔE 0.024
- Iris #6258C4 ΔE 0.025
- Dark Periwinkle #665FD1 ΔE 0.035
- Bluey Purple #6241C7 ΔE 0.037
- Warm Blue #4B57DB ΔE 0.053
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Purpley #8756E4 ΔE 0.063
Use #6B50CB 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.