#6635AD
Closest named color: Rebecca Purple (#663399). oklch(45.8% 0.181 297.5), rgb(102, 53, 173).
Aa
White text reads best on this color (7.84:1).
About this color
#6635AD is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.181 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 0.032 away. White text reads best on it, at 7.84:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #6635AD |
| RGB | rgb(102, 53, 173) |
| HSL | hsl(265, 53%, 44%) |
| OKLCH | oklch(45.8% 0.181 297.5) |
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 #6635AD | 7.84:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #6635AD | 2.67:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #6635AD text on white | 7.84:1 | AAA | Lc 86.6 | Fine for body text |
| #6635AD text on black | 2.67:1 | Fails | Lc -15.5 | 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
#ECE6FC
oklch(93.6% 0.03 298.3)
-
Step 200
200
#DDD2FC
oklch(88.6% 0.058 297.2)
-
Step 300
300
#C8B2FD
oklch(80.9% 0.106 297.4)
-
Step 400
400
#AE86FB
oklch(70.7% 0.169 297.7)
-
Step 500
500
#9B61F9
oklch(63% 0.217 297.4)
-
Step 600
600
#8741E7
oklch(55.5% 0.234 297.4)
-
Step 700
700
#7330C9
oklch(49% 0.218 297.5)
-
Step 800
800 (this color)
#6635AD
oklch(45.8% 0.181 297.5)
-
Step 900
900
#4C2981
oklch(37.7% 0.141 297.5)
-
Step 950
950
#2C194C
oklch(26.9% 0.09 297.1)
#6635AD 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) | #0052B1 | 0.119 |
| Deuteranopia (no green cones) | #0050AB | 0.119 |
| Tritanopia (no blue cones) | #54526D | 0.138 |
| Achromatopsia (no color) | #525252 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6635AD
#6635AD
oklch(45.8% 0.181 297.5)
- #535F00
#535F00
oklch(45.9% 0.107 117.9)
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 #6635AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.032
- Bluey Purple #6241C7 ΔE 0.048
- Grape #7209B7 ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.054
- Blurple #5539CC ΔE 0.060
- Purple Blue #5D21D0 ΔE 0.065
- Chrysanthemum #560BAD ΔE 0.067
- Blueberry #464196 ΔE 0.069
Use #6635AD 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.