#6B21E1
Closest named color: Burple (#6832E3). oklch(49.1% 0.254 290.9), rgb(107, 33, 225).
Aa
White text reads best on this color (7.16:1).
About this color
#6B21E1 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.254 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Burple (#6832E3), ΔE 0.021 away. White text reads best on it, at 7.16:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.254) |
| Temperature | in between |
| Nearest name | Burple (#6832E3) |
| Black text | 2.92:1 |
| White text | 7.16:1 |
Values
| HEX | #6B21E1 |
| RGB | rgb(107, 33, 225) |
| HSL | hsl(263, 76%, 51%) |
| OKLCH | oklch(49.1% 0.254 290.9) |
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 #6B21E1 | 7.16:1 | AAA | Lc -88.3 | Fine for body text |
| Black text on #6B21E1 | 2.92:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #6B21E1 text on white | 7.16:1 | AAA | Lc 83.3 | Fine for body text |
| #6B21E1 text on black | 2.92:1 | Fails | Lc -18.6 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FF
oklch(93.7% 0.032 289.6)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300
#C0B5FF
oklch(80.9% 0.104 290.7)
-
Step 400
400
#A28BFF
oklch(70.7% 0.166 290.7)
-
Step 500
500
#8E67FF
oklch(63.1% 0.216 290.7)
-
Step 600
600
#7D37FF
oklch(55.5% 0.268 290.7)
-
Step 700
700 (this color)
#6B21E1
oklch(49.1% 0.254 290.9)
-
Step 800
800
#5721B6
oklch(42.8% 0.211 290.9)
-
Step 900
900
#46258F
oklch(37.7% 0.163 290.7)
-
Step 950
950
#291854
oklch(27.1% 0.103 290.9)
#6B21E1 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) | #005BE6 | 0.130 |
| Deuteranopia (no green cones) | #0053DE | 0.125 |
| Tritanopia (no blue cones) | #3E5F86 | 0.201 |
| Achromatopsia (no color) | #585858 | 0.256 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B21E1
#6B21E1
oklch(49.1% 0.254 290.9)
- #646600
#646600
oklch(49.2% 0.108 111.1)
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 #6B21E1, closest first.
No curated palette has a color within ΔE 0.04 of #6B21E1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burple #6832E3 ΔE 0.021
- Purply Blue #661AEE ΔE 0.024
- Purpley Blue #5F34E7 ΔE 0.032
- Purple Blue #5D21D0 ΔE 0.037
- Blue Purple #5A06EF ΔE 0.045
- Blurple #5539CC ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.058
- Blue Violet #8A2BE2 ΔE 0.063
Use #6B21E1 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.