#6600CD
Closest named color: Purple Blue (#5D21D0). oklch(45% 0.249 294.1), rgb(102, 0, 205).
Aa
White text reads best on this color (8.58:1).
About this color
#6600CD is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.249 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Blue (#5D21D0), ΔE 0.028 away. White text reads best on it, at 8.58:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.249) |
| Temperature | in between |
| Nearest name | Purple Blue (#5D21D0) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #6600CD |
| RGB | rgb(102, 0, 205) |
| HSL | hsl(270, 100%, 40%) |
| OKLCH | oklch(45% 0.249 294.1) |
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 #6600CD | 8.58:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #6600CD | 2.44:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #6600CD text on white | 8.58:1 | AAA | Lc 87.0 | Fine for body text |
| #6600CD text on black | 2.44:1 | Fails | Lc -15.1 | 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 800.
-
Step 50
50
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FF
oklch(93.6% 0.034 294.9)
-
Step 200
200
#DBD2FF
oklch(88.5% 0.062 294.3)
-
Step 300
300
#C4B3FF
oklch(80.8% 0.107 294.1)
-
Step 400
400
#A888FF
oklch(70.7% 0.17 294)
-
Step 500
500
#9562FF
oklch(63% 0.222 294)
-
Step 600
600
#852EFF
oklch(55.6% 0.275 294)
-
Step 700
700
#7300E6
oklch(49.1% 0.271 294)
-
Step 800
800 (this color)
#6600CD
oklch(45% 0.249 294.1)
-
Step 900
900
#4D119B
oklch(37.7% 0.194 293.9)
-
Step 950
950
#2D105B
oklch(27.1% 0.123 294.1)
#6600CD 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) | #004ED2 | 0.137 |
| Deuteranopia (no green cones) | #0049CA | 0.133 |
| Tritanopia (no blue cones) | #445078 | 0.189 |
| Achromatopsia (no color) | #4C4C4C | 0.251 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6600CD
#6600CD
oklch(45% 0.249 294.1)
- #555B00
#555B00
oklch(45% 0.101 114.1)
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 #6600CD, closest first.
No curated palette has a color within ΔE 0.04 of #6600CD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Blue #5D21D0 ΔE 0.028
- Violet Blue #510AC9 ΔE 0.042
- Grape #7209B7 ΔE 0.046
- Purply Blue #661AEE ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.059
- Burple #6832E3 ΔE 0.060
- Blurple #5539CC ΔE 0.061
- Blue Purple #5A06EF ΔE 0.063
Use #6600CD 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.