#6533AF
Closest named color: Rebecca Purple (#663399). oklch(45.6% 0.185 296.8), rgb(101, 51, 175).
Aa
White text reads best on this color (7.93:1).
About this color
#6533AF is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.185 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.036 away. White text reads best on it, at 7.93:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.64:1 |
| White text | 7.93:1 |
Values
| HEX | #6533AF |
| RGB | rgb(101, 51, 175) |
| HSL | hsl(264, 55%, 44%) |
| OKLCH | oklch(45.6% 0.185 296.8) |
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 #6533AF | 7.93:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #6533AF | 2.64:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #6533AF text on white | 7.93:1 | AAA | Lc 86.8 | Fine for body text |
| #6533AF text on black | 2.64:1 | Fails | Lc -15.3 | 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 800.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DDD2FD
oklch(88.6% 0.06 296.9)
-
Step 300
300
#C7B2FE
oklch(80.8% 0.108 296.6)
-
Step 400
400
#AD85FE
oklch(70.6% 0.174 297)
-
Step 500
500
#9B60FC
oklch(63.1% 0.222 297)
-
Step 600
600
#873FEB
oklch(55.6% 0.24 296.8)
-
Step 700
700
#732ECD
oklch(49.2% 0.224 296.8)
-
Step 800
800 (this color)
#6533AF
oklch(45.6% 0.185 296.8)
-
Step 900
900
#4C2883
oklch(37.7% 0.145 297)
-
Step 950
950
#2C194D
oklch(27% 0.092 296.6)
#6533AF 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) | #0052B3 | 0.119 |
| Deuteranopia (no green cones) | #004FAD | 0.119 |
| Tritanopia (no blue cones) | #52526D | 0.143 |
| Achromatopsia (no color) | #515151 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6533AF
#6533AF
oklch(45.6% 0.185 296.8)
- #545E00
#545E00
oklch(45.7% 0.105 116.7)
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 #6533AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.036
- Bluey Purple #6241C7 ΔE 0.047
- Grape #7209B7 ΔE 0.051
- Blue With A Hint Of Purple #533CC6 ΔE 0.052
- Blurple #5539CC ΔE 0.057
- Purple Blue #5D21D0 ΔE 0.060
- Chrysanthemum #560BAD ΔE 0.062
- Blueberry #464196 ΔE 0.071
Use #6533AF 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.