#743399
Closest named color: Rebecca Purple (#663399). oklch(45.8% 0.164 310.8), rgb(116, 51, 153).
Aa
White text reads best on this color (7.84:1).
About this color
#743399 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.164 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.028 away. White text reads best on it, at 7.84:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #743399 |
| RGB | rgb(116, 51, 153) |
| HSL | hsl(278, 50%, 40%) |
| OKLCH | oklch(45.8% 0.164 310.8) |
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 #743399 | 7.84:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #743399 | 2.67:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #743399 text on white | 7.84:1 | AAA | Lc 86.6 | Fine for body text |
| #743399 text on black | 2.67:1 | Fails | Lc -15.5 | 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 800.
-
Step 50
50
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#F0E5F8
oklch(93.6% 0.028 311.3)
-
Step 200
200
#E4D0F4
oklch(88.5% 0.053 310.1)
-
Step 300
300
#D4AFEF
oklch(80.8% 0.097 310.5)
-
Step 400
400
#BF82E6
oklch(70.6% 0.154 311.1)
-
Step 500
500
#AF5EDF
oklch(63.1% 0.197 311)
-
Step 600
600
#9A3FCD
oklch(55.6% 0.214 310.6)
-
Step 700
700
#842FB1
oklch(49.1% 0.199 311)
-
Step 800
800 (this color)
#743399
oklch(45.8% 0.164 310.8)
-
Step 900
900
#572872
oklch(37.8% 0.127 311.1)
-
Step 950
950
#331843
oklch(27% 0.082 311.1)
#743399 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) | #004F9C | 0.147 |
| Deuteranopia (no green cones) | #275397 | 0.131 |
| Tritanopia (no blue cones) | #6F4861 | 0.114 |
| Achromatopsia (no color) | #525252 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #743399
#743399
oklch(45.8% 0.164 310.8)
- #3E6400
#3E6400
oklch(45.7% 0.124 130.7)
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 #743399, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.028
- Warm Purple #952E8F ΔE 0.069
- Grape #7209B7 ΔE 0.069
- Dark Magenta #8B008B ΔE 0.070
- Purple #800080 ΔE 0.072
- Light Eggplant #894585 ΔE 0.073
- Purply #983FB2 ΔE 0.084
- Bluey Purple #6241C7 ΔE 0.085
Use #743399 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.