#734FB3
Closest named color: Iris (#6258C4). oklch(51.5% 0.153 297.4), rgb(115, 79, 179).
Aa
White text reads best on this color (6.00:1).
About this color
#734FB3 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.153 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.041 away. White text reads best on it, at 6.00:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #734FB3 |
| RGB | rgb(115, 79, 179) |
| HSL | hsl(262, 40%, 51%) |
| OKLCH | oklch(51.5% 0.153 297.4) |
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 #734FB3 | 6.00:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #734FB3 | 3.49:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #734FB3 text on white | 6.00:1 | AA | Lc 79.7 | Fine for body text |
| #734FB3 text on black | 3.49:1 | AA large text | Lc -22.1 | 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 700.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F2
oklch(88.6% 0.042 297.7)
-
Step 300
300
#C5B7EB
oklch(80.9% 0.074 297.1)
-
Step 400
400
#A990E1
oklch(70.7% 0.118 297.5)
-
Step 500
500
#9572D9
oklch(63.1% 0.153 297.5)
-
Step 600
600
#8058C6
oklch(55.6% 0.165 297.5)
-
Step 700
700 (this color)
#734FB3
oklch(51.5% 0.153 297.4)
-
Step 800
800
#583C8A
oklch(42.8% 0.125 297.4)
-
Step 900
900
#48346F
oklch(37.8% 0.099 297.1)
-
Step 950
950
#2A1F41
oklch(27% 0.062 297)
#734FB3 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) | #2263B6 | 0.105 |
| Deuteranopia (no green cones) | #2E62B1 | 0.098 |
| Tritanopia (no blue cones) | #646379 | 0.119 |
| Achromatopsia (no color) | #636363 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #734FB3
#734FB3
oklch(51.5% 0.153 297.4)
- #637000
#637000
oklch(51.6% 0.12 117.5)
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 #734FB3, closest first.
No curated palette has a color within ΔE 0.04 of #734FB3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.041
- Slate Blue #6A5ACD ΔE 0.047
- Light Indigo #6D5ACF ΔE 0.049
- Bluey Purple #6241C7 ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.061
- Purply #983FB2 ΔE 0.072
- Rebecca Purple #663399 ΔE 0.077
Use #734FB3 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.