#743CA4
Closest named color: Rebecca Purple (#663399). oklch(47.7% 0.164 305.9), rgb(116, 60, 164).
Aa
White text reads best on this color (7.17:1).
About this color
#743CA4 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.164 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.038 away. White text reads best on it, at 7.17:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #743CA4 |
| RGB | rgb(116, 60, 164) |
| HSL | hsl(272, 46%, 44%) |
| OKLCH | oklch(47.7% 0.164 305.9) |
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 #743CA4 | 7.17:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #743CA4 | 2.92:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #743CA4 text on white | 7.17:1 | AAA | Lc 84.4 | Fine for body text |
| #743CA4 text on black | 2.92:1 | Fails | Lc -17.6 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#E0D2F1
oklch(88.5% 0.045 305.9)
-
Step 300
300
#CDB4EA
oklch(80.9% 0.079 305.7)
-
Step 400
400
#B48BDF
oklch(70.7% 0.127 305.8)
-
Step 500
500
#A26BD6
oklch(63.1% 0.163 306)
-
Step 600
600
#8D50C3
oklch(55.5% 0.176 305.9)
-
Step 700
700 (this color)
#743CA4
oklch(47.7% 0.164 305.9)
-
Step 800
800
#623688
oklch(42.8% 0.135 306.3)
-
Step 900
900
#50306D
oklch(37.8% 0.105 306.2)
-
Step 950
950
#2F1C40
oklch(27% 0.068 306.8)
#743CA4 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) | #0056A7 | 0.137 |
| Deuteranopia (no green cones) | #2558A2 | 0.124 |
| Tritanopia (no blue cones) | #6C516A | 0.118 |
| Achromatopsia (no color) | #575757 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #743CA4
#743CA4
oklch(47.7% 0.164 305.9)
- #4C6800
#4C6800
oklch(47.7% 0.121 125.9)
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 #743CA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Bluey Purple #6241C7 ΔE 0.066
- Grape #7209B7 ΔE 0.072
- Purply #983FB2 ΔE 0.073
- Light Eggplant #894585 ΔE 0.073
- Warm Purple #952E8F ΔE 0.075
- Iris #6258C4 ΔE 0.081
- Blue With A Hint Of Purple #533CC6 ΔE 0.082
Use #743CA4 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.