#6B50BC
Closest named color: Iris (#6258C4). oklch(51.5% 0.163 291.1), rgb(107, 80, 188).
Aa
White text reads best on this color (6.00:1).
About this color
#6B50BC is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.163 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.025 away. White text reads best on it, at 6.00:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #6B50BC |
| RGB | rgb(107, 80, 188) |
| HSL | hsl(255, 45%, 53%) |
| OKLCH | oklch(51.5% 0.163 291.1) |
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 #6B50BC | 6.00:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #6B50BC | 3.49:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #6B50BC text on white | 6.00:1 | AA | Lc 79.7 | Fine for body text |
| #6B50BC text on black | 3.49:1 | AA large text | Lc -22.1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D9D5F5
oklch(88.6% 0.044 291.2)
-
Step 300
300
#C0B8F0
oklch(80.8% 0.079 291.1)
-
Step 400
400
#A192E9
oklch(70.8% 0.126 290.7)
-
Step 500
500
#8C74E2
oklch(63.2% 0.161 291.1)
-
Step 600
600
#7759D0
oklch(55.5% 0.176 291.2)
-
Step 700
700 (this color)
#6B50BC
oklch(51.5% 0.163 291.1)
-
Step 800
800
#523C92
oklch(42.7% 0.136 291.4)
-
Step 900
900
#433574
oklch(37.8% 0.104 290.8)
-
Step 950
950
#271F44
oklch(26.9% 0.067 291.2)
#6B50BC 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) | #0C65C0 | 0.101 |
| Deuteranopia (no green cones) | #1761BA | 0.097 |
| Tritanopia (no blue cones) | #54687E | 0.133 |
| Achromatopsia (no color) | #636363 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B50BC
#6B50BC
oklch(51.5% 0.163 291.1)
- #6B6D00
#6B6D00
oklch(51.6% 0.113 111)
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 #6B50BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.025
- Slate Blue #6A5ACD ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.036
- Bluey Purple #6241C7 ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.065
- Warm Blue #4B57DB ΔE 0.067
- Blurple #5539CC ΔE 0.070
Use #6B50BC 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.