#6537B4
Closest named color: Bluey Purple (#6241C7). oklch(46.6% 0.186 295), rgb(101, 55, 180).
Aa
White text reads best on this color (7.61:1).
About this color
#6537B4 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.186 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.036 away. White text reads best on it, at 7.61:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #6537B4 |
| RGB | rgb(101, 55, 180) |
| HSL | hsl(262, 53%, 46%) |
| OKLCH | oklch(46.6% 0.186 295) |
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 #6537B4 | 7.61:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #6537B4 | 2.75:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #6537B4 text on white | 7.61:1 | AAA | Lc 85.8 | Fine for body text |
| #6537B4 text on black | 2.75:1 | Fails | Lc -16.3 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DBD3F8
oklch(88.5% 0.051 295.2)
-
Step 300
300
#C4B5F5
oklch(80.8% 0.09 295.1)
-
Step 400
400
#A88CF0
oklch(70.6% 0.145 295.3)
-
Step 500
500
#946CEB
oklch(63.1% 0.184 295.1)
-
Step 600
600
#7F50D9
oklch(55.6% 0.2 294.8)
-
Step 700
700 (this color)
#6537B4
oklch(46.6% 0.186 295)
-
Step 800
800
#583598
oklch(42.6% 0.154 295.4)
-
Step 900
900
#483079
oklch(37.7% 0.119 295.2)
-
Step 950
950
#2A1D47
oklch(27.1% 0.076 295.1)
#6537B4 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) | #0055B8 | 0.115 |
| Deuteranopia (no green cones) | #0052B1 | 0.115 |
| Tritanopia (no blue cones) | #4F5671 | 0.146 |
| Achromatopsia (no color) | #545454 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6537B4
#6537B4
oklch(46.6% 0.186 295)
- #586000
#586000
oklch(46.6% 0.106 115.3)
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 #6537B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.036
- Blue With A Hint Of Purple #533CC6 ΔE 0.044
- Rebecca Purple #663399 ΔE 0.044
- Blurple #5539CC ΔE 0.049
- Grape #7209B7 ΔE 0.056
- Purple Blue #5D21D0 ΔE 0.057
- Chrysanthemum #560BAD ΔE 0.069
- Blueberry #464196 ΔE 0.073
Use #6537B4 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.