#611AB1
Closest named color: Chrysanthemum (#560BAD). oklch(42.8% 0.211 297.3), rgb(97, 26, 177).
Aa
White text reads best on this color (9.16:1).
About this color
#611AB1 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.211 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Chrysanthemum (#560BAD), ΔE 0.029 away. White text reads best on it, at 9.16:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.211) |
| Temperature | in between |
| Nearest name | Chrysanthemum (#560BAD) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #611AB1 |
| RGB | rgb(97, 26, 177) |
| HSL | hsl(268, 74%, 40%) |
| OKLCH | oklch(42.8% 0.211 297.3) |
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 #611AB1 | 9.16:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #611AB1 | 2.29:1 | Fails | Lc 14.3 | Not readable |
| #611AB1 text on white | 9.16:1 | AAA | Lc 89.7 | Fine for body text |
| #611AB1 text on black | 2.29:1 | Fails | Lc -12.5 | 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
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE5FF
oklch(93.5% 0.036 298)
-
Step 200
200
#DDD1FF
oklch(88.5% 0.064 297)
-
Step 300
300
#C8B2FF
oklch(81% 0.109 297)
-
Step 400
400
#AE85FF
oklch(70.8% 0.175 297.2)
-
Step 500
500
#9C5EFF
oklch(63.1% 0.228 297.1)
-
Step 600
600
#8C29FB
oklch(55.6% 0.275 297.3)
-
Step 700
700
#7714DB
oklch(49.1% 0.256 297.1)
-
Step 800
800 (this color)
#611AB1
oklch(42.8% 0.211 297.3)
-
Step 900
900
#4E208C
oklch(37.7% 0.165 297)
-
Step 950
950
#2E1552
oklch(27% 0.105 297.7)
#611AB1 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) | #0048B5 | 0.128 |
| Deuteranopia (no green cones) | #0046AE | 0.128 |
| Tritanopia (no blue cones) | #4B4869 | 0.158 |
| Achromatopsia (no color) | #484848 | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #611AB1
#611AB1
oklch(42.8% 0.211 297.3)
- #4C5600
#4C5600
oklch(42.9% 0.099 117.2)
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 #611AB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chrysanthemum #560BAD ΔE 0.029
- Grape #7209B7 ΔE 0.036
- Purple Blue #5D21D0 ΔE 0.053
- Violet Blue #510AC9 ΔE 0.054
- Rebecca Purple #663399 ΔE 0.056
- Imperial Purple #480CA8 ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Blurple #5539CC ΔE 0.069
Use #611AB1 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.