#734ECB
Closest named color: Light Indigo (#6D5ACF). oklch(53.1% 0.185 292.6), rgb(115, 78, 203).
Aa
White text reads best on this color (5.70:1).
About this color
#734ECB is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.185 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.028 away. White text reads best on it, at 5.70:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #734ECB |
| RGB | rgb(115, 78, 203) |
| HSL | hsl(258, 55%, 55%) |
| OKLCH | oklch(53.1% 0.185 292.6) |
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 #734ECB | 5.70:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #734ECB | 3.68:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #734ECB text on white | 5.70:1 | AA | Lc 78.1 | Fine for body text |
| #734ECB text on black | 3.68:1 | AA large text | Lc -23.7 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C2B7F2
oklch(80.9% 0.083 293)
-
Step 400
400
#A490EC
oklch(70.8% 0.133 292.7)
-
Step 500
500
#8F71E6
oklch(63.2% 0.17 292.7)
-
Step 600
600 (this color)
#734ECB
oklch(53.1% 0.185 292.6)
-
Step 700
700
#6745B7
oklch(49% 0.172 292.7)
-
Step 800
800
#543A94
oklch(42.7% 0.141 292.7)
-
Step 900
900
#453376
oklch(37.7% 0.11 292.7)
-
Step 950
950
#281E45
oklch(26.9% 0.071 292.9)
#734ECB 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) | #0068CF | 0.115 |
| Deuteranopia (no green cones) | #0064C8 | 0.115 |
| Tritanopia (no blue cones) | #5A6B85 | 0.149 |
| Achromatopsia (no color) | #666666 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #734ECB
#734ECB
oklch(53.1% 0.185 292.6)
- #6D7200
#6D7200
oklch(53% 0.118 112.8)
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 #734ECB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.028
- Slate Blue #6A5ACD ΔE 0.029
- Iris #6258C4 ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.042
- Bluey Purple #6241C7 ΔE 0.043
- Purpley #8756E4 ΔE 0.054
- Warm Blue #4B57DB ΔE 0.066
- Burple #6832E3 ΔE 0.066
Use #734ECB 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.