#411BCD
Closest named color: Violet Blue (#510AC9). oklch(42.7% 0.241 278.5), rgb(65, 27, 205).
Aa
White text reads best on this color (9.27:1).
About this color
#411BCD is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.241 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Violet Blue (#510AC9), ΔE 0.032 away. White text reads best on it, at 9.27:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.241) |
| Temperature | cool |
| Nearest name | Violet Blue (#510AC9) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #411BCD |
| RGB | rgb(65, 27, 205) |
| HSL | hsl(253, 77%, 45%) |
| OKLCH | oklch(42.7% 0.241 278.5) |
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 #411BCD | 9.27:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #411BCD | 2.26:1 | Fails | Lc 14.3 | Not readable |
| #411BCD text on white | 9.27:1 | AAA | Lc 89.7 | Fine for body text |
| #411BCD text on black | 2.26:1 | Fails | Lc -12.6 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500
#7374FF
oklch(63.1% 0.202 278.6)
-
Step 600
600
#5E4EFF
oklch(55.6% 0.25 278.5)
-
Step 700
700
#5113FE
oklch(49.1% 0.291 278.5)
-
Step 800
800 (this color)
#411BCD
oklch(42.7% 0.241 278.5)
-
Step 900
900
#3524A1
oklch(37.8% 0.188 278.6)
-
Step 950
950
#1E185E
oklch(27% 0.119 278.7)
#411BCD 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 | 0.089 |
| Deuteranopia (no green cones) | #0040CA | 0.069 |
| Tritanopia (no blue cones) | #00577A | 0.187 |
| Achromatopsia (no color) | #474747 | 0.243 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #411BCD
#411BCD
oklch(42.7% 0.241 278.5)
- #5C4F00
#5C4F00
oklch(42.8% 0.088 98.3)
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 #411BCD, closest first.
No curated palette has a color within ΔE 0.04 of #411BCD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Blue #510AC9 ΔE 0.032
- Majorelle Blue #3F37C9 ΔE 0.038
- Indigo Blue #3A18B1 ΔE 0.048
- Purple Blue #5D21D0 ΔE 0.053
- Blurple #5539CC ΔE 0.059
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Blue Blue #2242C7 ΔE 0.063
- Ultramarine Blue #1805DB ΔE 0.064
Use #411BCD 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.