#734AB5
Closest named color: Iris (#6258C4). oklch(50.9% 0.163 298), rgb(115, 74, 181).
Aa
White text reads best on this color (6.22:1).
About this color
#734AB5 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.163 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.045 away. White text reads best on it, at 6.22:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #734AB5 |
| RGB | rgb(115, 74, 181) |
| HSL | hsl(263, 42%, 50%) |
| OKLCH | oklch(50.9% 0.163 298) |
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 #734AB5 | 6.22:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #734AB5 | 3.37:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #734AB5 text on white | 6.22:1 | AA | Lc 80.6 | Fine for body text |
| #734AB5 text on black | 3.37:1 | AA large text | Lc -21.2 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DCD3F3
oklch(88.4% 0.045 298.3)
-
Step 300
300
#C6B6EE
oklch(80.9% 0.08 297.7)
-
Step 400
400
#AA8EE5
oklch(70.6% 0.127 297.9)
-
Step 500
500
#9770DD
oklch(63.2% 0.161 298.2)
-
Step 600
600
#8255CB
oklch(55.6% 0.176 298)
-
Step 700
700 (this color)
#734AB5
oklch(50.9% 0.163 298)
-
Step 800
800
#59398E
oklch(42.6% 0.136 297.7)
-
Step 900
900
#493271
oklch(37.6% 0.105 298)
-
Step 950
950
#2B1E42
oklch(27% 0.066 298.6)
#734AB5 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) | #0C61B8 | 0.118 |
| Deuteranopia (no green cones) | #2360B3 | 0.109 |
| Tritanopia (no blue cones) | #646178 | 0.127 |
| Achromatopsia (no color) | #616161 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #734AB5
#734AB5
oklch(50.9% 0.163 298)
- #606E00
#606E00
oklch(50.9% 0.119 118.1)
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 #734AB5, closest first.
No curated palette has a color within ΔE 0.04 of #734AB5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.045
- Bluey Purple #6241C7 ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.064
- Deep Lavender #8D5EB7 ΔE 0.069
- Purply #983FB2 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.070
Use #734AB5 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.