#6600CA
Closest named color: Purple Blue (#5D21D0). oklch(44.7% 0.246 294.7), rgb(102, 0, 202).
Aa
White text reads best on this color (8.68:1).
About this color
#6600CA is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.246 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Blue (#5D21D0), ΔE 0.030 away. White text reads best on it, at 8.68:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.246) |
| Temperature | in between |
| Nearest name | Purple Blue (#5D21D0) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #6600CA |
| RGB | rgb(102, 0, 202) |
| HSL | hsl(270, 100%, 40%) |
| OKLCH | oklch(44.7% 0.246 294.7) |
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 #6600CA | 8.68:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #6600CA | 2.41:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #6600CA text on white | 8.68:1 | AAA | Lc 87.3 | Fine for body text |
| #6600CA text on black | 2.41:1 | Fails | Lc -14.8 | Not readable |
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
#C5B3FF
oklch(80.9% 0.107 294.8)
-
Step 400
400
#A987FF
oklch(70.7% 0.172 294.7)
-
Step 500
500
#9761FF
oklch(63.1% 0.224 294.9)
-
Step 600
600
#872CFF
oklch(55.6% 0.276 294.8)
-
Step 700
700
#7400E5
oklch(49.1% 0.27 294.6)
-
Step 800
800 (this color)
#6600CA
oklch(44.7% 0.246 294.7)
-
Step 900
900
#4E1299
oklch(37.6% 0.191 294.9)
-
Step 950
950
#2D105A
oklch(27% 0.122 294.5)
#6600CA 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) | #004DCF | 0.138 |
| Deuteranopia (no green cones) | #0048C7 | 0.134 |
| Tritanopia (no blue cones) | #464E76 | 0.185 |
| Achromatopsia (no color) | #4B4B4B | 0.248 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6600CA
#6600CA
oklch(44.7% 0.246 294.7)
- #545A00
#545A00
oklch(44.7% 0.101 114.2)
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 #6600CA, closest first.
No curated palette has a color within ΔE 0.04 of #6600CA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Blue #5D21D0 ΔE 0.030
- Grape #7209B7 ΔE 0.042
- Violet Blue #510AC9 ΔE 0.042
- Chrysanthemum #560BAD ΔE 0.055
- Blurple #5539CC ΔE 0.062
- Purply Blue #661AEE ΔE 0.063
- Burple #6832E3 ΔE 0.064
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
Use #6600CA 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.