#6540C0
Closest named color: Bluey Purple (#6241C7). oklch(48.8% 0.189 291), rgb(101, 64, 192).
Aa
White text reads best on this color (6.89:1).
About this color
#6540C0 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.189 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.012 away. White text reads best on it, at 6.89:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.04:1 |
| White text | 6.89:1 |
Values
| HEX | #6540C0 |
| RGB | rgb(101, 64, 192) |
| HSL | hsl(257, 50%, 50%) |
| OKLCH | oklch(48.8% 0.189 291) |
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 #6540C0 | 6.89:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #6540C0 | 3.04:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #6540C0 text on white | 6.89:1 | AA | Lc 83.2 | Fine for body text |
| #6540C0 text on black | 3.04:1 | AA large text | Lc -18.7 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D9D4F9
oklch(88.6% 0.051 291.5)
-
Step 300
300
#C0B7F8
oklch(81% 0.091 290.6)
-
Step 400
400
#A28EF4
oklch(70.7% 0.147 291.2)
-
Step 500
500
#8D6EF0
oklch(63.1% 0.188 291)
-
Step 600
600
#7952DE
oklch(55.6% 0.203 291.2)
-
Step 700
700 (this color)
#6540C0
oklch(48.8% 0.189 291)
-
Step 800
800
#53379C
oklch(42.8% 0.156 291.1)
-
Step 900
900
#44317C
oklch(37.7% 0.122 291.1)
-
Step 950
950
#271D49
oklch(26.9% 0.079 290.6)
#6540C0 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) | #005CC4 | 0.107 |
| Deuteranopia (no green cones) | #0057BD | 0.105 |
| Tritanopia (no blue cones) | #485F7A | 0.152 |
| Achromatopsia (no color) | #5A5A5A | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6540C0
#6540C0
oklch(48.8% 0.189 291)
- #636500
#636500
oklch(48.9% 0.107 111.1)
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 #6540C0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.012
- Blue With A Hint Of Purple #533CC6 ΔE 0.035
- Blurple #5539CC ΔE 0.038
- Iris #6258C4 ΔE 0.053
- Purple Blue #5D21D0 ΔE 0.056
- Burple #6832E3 ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.063
Use #6540C0 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.