#734DDD
Closest named color: Light Indigo (#6D5ACF). oklch(54.3% 0.208 289.8), rgb(115, 77, 221).
Aa
White text reads best on this color (5.47:1).
About this color
#734DDD is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.208 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.036 away. White text reads best on it, at 5.47:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.208) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #734DDD |
| RGB | rgb(115, 77, 221) |
| HSL | hsl(256, 68%, 58%) |
| OKLCH | oklch(54.3% 0.208 289.8) |
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 #734DDD | 5.47:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #734DDD | 3.83:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #734DDD text on white | 5.47:1 | AA | Lc 76.8 | Fine for body text |
| #734DDD text on black | 3.83:1 | AA large text | Lc -25.0 | 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 600.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D8D4FA
oklch(88.5% 0.052 290.1)
-
Step 300
300
#BFB7F9
oklch(80.9% 0.093 289.7)
-
Step 400
400
#A08EF7
oklch(70.7% 0.151 289.9)
-
Step 500
500
#8B6EF3
oklch(63.1% 0.191 289.8)
-
Step 600
600 (this color)
#734DDD
oklch(54.3% 0.208 289.8)
-
Step 700
700
#6441C4
oklch(49.2% 0.193 289.7)
-
Step 800
800
#51369E
oklch(42.6% 0.16 289.8)
-
Step 900
900
#43317E
oklch(37.8% 0.125 289.9)
-
Step 950
950
#271D4A
oklch(27% 0.08 290.2)
#734DDD 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) | #006CE1 | 0.115 |
| Deuteranopia (no green cones) | #0066DA | 0.112 |
| Tritanopia (no blue cones) | #50708E | 0.169 |
| Achromatopsia (no color) | #696969 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #734DDD
#734DDD
oklch(54.3% 0.208 289.8)
- #757500
#757500
oklch(54.4% 0.119 109.8)
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 #734DDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.036
- Slate Blue #6A5ACD ΔE 0.039
- Purpley #8756E4 ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.046
- Iris #6258C4 ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.052
- Burple #6832E3 ΔE 0.053
- Purpley Blue #5F34E7 ΔE 0.061
Use #734DDD 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.